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Microorganisms-promoted biodiesel production from biomass: A review

ENERGY CONVERSION AND MANAGEMENT-X (2021)

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Article Environmental Sciences

Lignocellulose biomass bioconversion during composting: Mechanism of action of lignocellulase, pretreatment methods and future perspectives

Di Wu et al.

Summary: This article summarizes the pretreatment methods suitable for composting, including microbial consortium pretreatment, Fenton pretreatment, and surfactant-assisted pretreatment. Among them, microbial consortium pretreatment is a cost-effective method to enhance the yield of humic substances. In addition, the efficiency of enzyme production is crucial for lignocellulose degradation during composting.

CHEMOSPHERE (2022)

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Review Environmental Sciences

Biodiesel blends: a comprehensive systematic review on various constraints

Rajkumar Kamaraj et al.

Summary: Biodiesel is a renewable and clean-burning alternative to diesel that can be used in existing engines without modification. Different blends of biodiesel have varying requirements for concentration and blending ratios.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2022)

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Article Biochemistry & Molecular Biology

Heat-induced overexpression of the thermophilic lipase from Bacillus thermocatenulatus in Escherichia coli by fermentation and its application in preparation biodiesel using rapeseed oil

Jun Zhang et al.

Summary: By utilizing recombinant thermophilic Bacillus thermocatenulatus lipase 2 (BTL2), fatty acid methyl esters (FAMEs) were synthesized via enzymatic transesterification. The recombinant BTL2 exhibited excellent resistance and enzyme activity after certain treatments, leading to successful production of FAMEs biodiesel, showing potential application value in biodiesel reproduction.

BIOTECHNOLOGY AND APPLIED BIOCHEMISTRY (2022)

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Review Biotechnology & Applied Microbiology

Emerging trends in high-solids enzymatic saccharification of lignocellulosic feedstocks for developing an efficient and industrially deployable sugar platform

Pratibha Baral et al.

Summary: High-solids enzymatic saccharification is crucial for the success of lignocellulosic biorefineries. Global efforts focus on achieving high sugar titers and fermentation products through efficient HSES at low cellulase loadings.

CRITICAL REVIEWS IN BIOTECHNOLOGY (2022)

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Article Biotechnology & Applied Microbiology

Production of biodiesel from oleaginous fungal lipid using highly catalytic bimetallic gold-silver core-shell nanoparticle

Mayasar Al-Zaban et al.

Summary: The study aimed to maximize biodiesel production from Fusarium solani isolate FS12 using gold-silver core-shell nanoparticles as a nanocatalyst, showing promising results for potential biodiesel production applications.

JOURNAL OF APPLIED MICROBIOLOGY (2022)

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Article Biochemical Research Methods

Optimization of an organic solvent-tolerant lipase production by Staphylococcus capitis SH6. Immobilization for biodiesel production and biodegradation of waste greases

Fatma Rmili et al.

Summary: Utilizing a statistical approach, this study optimized the process parameters for the production of an organic solvent-tolerant lipase by Staphylococcus capitis SH6. Immobilizing the lipase on CaCO3 improved stability and catalytic activity, making it suitable for biodiesel production.

PREPARATIVE BIOCHEMISTRY & BIOTECHNOLOGY (2022)

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Article Biochemistry & Molecular Biology

Multilayered Nano-Entrapment of Lipase through Organic-Inorganic Hybrid Formation and the Application in Cost-Effective Biodiesel Production

Khurshid Ahmed Baloch et al.

Summary: The study optimized cost-effective production of extracellular lipase from Magnusiomyces capitatus A4C and prepared multilayered nano-entrapped ECL-CuSO4 hybrids for efficient biodiesel production. These hybrid biocatalysts showed high catalytic efficiency in transesterification and esterification reactions, with potential for multiple reuses.

APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY (2021)

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Review Environmental Sciences

Effect of nanocatalysts on the transesterification reaction of first, second and third generation biodiesel sources - A mini-review

M. Mofijur et al.

Summary: Biodiesel production through transesterification process is influenced by a variety of factors, with catalyst type and concentration playing a significant role. Recent focus has been on nanocatalysts for efficient biodiesel production, highlighting their advantages over conventional catalysts. The study provides valuable insights for researchers in developing cost-effective biodiesel.

CHEMOSPHERE (2021)

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Article Biochemical Research Methods

Thermo-alkali-stable lipase from a novel Aspergillus niger: statistical optimization, enzyme purification, immobilization and its application in biodiesel production

Dina H. El-Ghonemy et al.

Summary: The study investigated the influences of nutritional components on lipase production by new Aspergillus niger using wheat bran as substrate, and optimized the production process using statistical designs. The purified and immobilized lipase showed high thermal stability and retained activity after multiple cycles of transesterification, making it a viable option for the production of high-quality biodiesel with a high percentage of polyunsaturated fatty acids.

PREPARATIVE BIOCHEMISTRY & BIOTECHNOLOGY (2021)

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Article Biochemical Research Methods

Enhancing immobilization of Aspergillus oryzae ST11 lipase on polyacrylonitrile nanofibrous membrane by bovine serum albumin and its application for biodiesel production

Pattarapon Paitaid et al.

Summary: The partially purified lipase from Aspergillus oryzae ST11 was immobilized on electrospun polyacrylonitrile (PAN) nanofibrous membrane. The immobilized lipase showed increased stability and activity under optimized pH conditions and specific additives, with significant biodiesel conversion efficiency and reusability.

PREPARATIVE BIOCHEMISTRY & BIOTECHNOLOGY (2021)

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Review Biotechnology & Applied Microbiology

A review on the waste biomass derived catalysts for biodiesel production

Muhammad Hamza et al.

Summary: Biodiesel is produced through the transesterification process of various oils and fats, with the choice of homogeneous or heterogeneous catalysts. Heterogeneous catalysts have advantages such as simple manufacturing, ease of separation, and high reusability, making them significant in biodiesel production.

ENVIRONMENTAL TECHNOLOGY & INNOVATION (2021)

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Article Agricultural Engineering

Comprehensive analysis of important parameters of choline chloride-based deep eutectic solvent pretreatment of lignocellulosic biomass

Huanfei Xu et al.

Summary: Choline chloride based deep eutectic solvents have great potential in lignocellulosic biomass pretreatment. Multivariate analysis methods were used to reveal the pretreatment mechanism and found that properties of hydrogen bond donnors and severity of DES had significant influence on the pretreatment effect. Molecular simulation and four-dimensional color graphs were utilized for further optimization of pretreatment conditions to improve economic benefits and energy consumption indicators.

BIORESOURCE TECHNOLOGY (2021)

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Article Biotechnology & Applied Microbiology

Production of biodiesel by Burkholderia cepacia lipase as a function of process parameters

Marta Ostojcic et al.

Summary: Despite the shortcomings of the chemically catalyzed transesterification reaction in biodiesel production, biocatalysts such as lipases offer a vital alternative. This study investigated the characterization of lipase for biodiesel synthesis and explored the optimal conditions for achieving desired FAME levels. The results showed that under optimal pH, reaction time, and lipase activity load, more than 99% FAME could be produced during the transesterification process.

BIOTECHNOLOGY PROGRESS (2021)

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Article Agricultural Engineering

Valorization of de-oiled microalgal biomass as a carbon-based heterogeneous catalyst for a sustainable biodiesel production

Madonna Roy et al.

Summary: A novel carbon-based solid acid catalyst was synthesized from de-oiled microalgal biomass, showing high catalytic activity in fatty acid methyl ester production. The catalyst was characterized by various methods, and achieved high FAME yields for both microalgal oil and waste cooking oil under optimized transesterification conditions. The biodiesel produced met most of the EN 14,212 and ASTM D6751 standards.

BIORESOURCE TECHNOLOGY (2021)

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Article Agricultural Engineering

Evaluation of microalgal strains and microalgal consortium for higher lipid productivity and rich fatty acid profile towards sustainable biodiesel production

Chithirai Arutselvan et al.

Summary: The study screened four microalgal strains and a consortium for biodiesel application, with Coelastrella sp. showing higher optical density and Chlorella vulgaris and Scenedesmus dimorphus consortium yielding higher dry cell weight. In outdoor pond raceway pond, different strains showed varying biomass yield and lipid content, indicating potential for biodiesel production.

BIORESOURCE TECHNOLOGY (2021)

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Review Agricultural Engineering

Lignocellulosic biomass pretreatment by deep eutectic solvents on lignin extraction and saccharification enhancement: A review

Wei Wang et al.

Summary: Biomass recalcitrance poses a significant challenge for biomass utilization, leading to the development of deep eutectic solvents (DES) as a promising solvent for biomass pretreatment. Current research focuses on the fractionation and saccharification enhancement of lignocellulosic biomass using DES.

BIORESOURCE TECHNOLOGY (2021)

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Review Agricultural Engineering

Engineering Yarrowia lipolytica to produce fuels and chemicals from xylose: A review

Tao Sun et al.

Summary: The production of chemicals and fuels from lignocellulosic biomass has great industrial potential, but the microorganisms used must be able to efficiently utilize all sugars in lignocellulosic hydrolysates. Although Yarrowia lipolytica is a good candidate for producing valuable products from biomass, it struggles to metabolize xylose efficiently. The development of metabolic engineering has enabled the bioconversion of xylose into various value-added products using Y. lipolytica as a platform.

BIORESOURCE TECHNOLOGY (2021)

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Article Thermodynamics

Exploring indigenously produced celite-immobilized Rhizopus oryzae NRRL 3562-lipase for biodiesel production

Archana Dash et al.

Summary: In this study, lipase was produced using Solid State Fermentation and immobilized on activated celite for transesterification, resulting in high fatty acid methyl ester (FAME) conversions under optimized conditions. The spent lipase showed potential for cyclic use, maintaining almost 90% residual activity after multiple cycles.

ENERGY (2021)

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Article Thermodynamics

Recent advances in biodiesel production from agricultural products and microalgae using ionic liquids: Opportunities and challenges

Hwai Chyuan Ong et al.

Summary: Ionic liquids (ILs) serve as both solvents and catalysts for sustainable biodiesel production, showing high reactivity and selectivity under mild conditions. They have the potential to greatly improve biodiesel yields while being environmentally friendly.

ENERGY CONVERSION AND MANAGEMENT (2021)

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Article Energy & Fuels

Biodiesel production catalysed by low-cost liquid enzyme Eversa Transform 2.0: Effect of free fatty acid content on lipase methanol tolerance and kinetic model

Mun Yuen Chang et al.

Summary: A low-cost liquid lipase from genetically modified Aspergillus oryzae was used for biodiesel production, showing high tolerance and reaction efficiency in feedstocks with high FFA content, leading to a high conversion rate.

FUEL (2021)

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Review Environmental Sciences

Hydrothermal pretreatment technologies for lignocellulosic biomass: A review of steam explosion and subcritical water hydrolysis

Tumpa R. Sarker et al.

Summary: The pretreatment of lignocellulosic biomass using hydrothermal methods like steam explosion and subcritical water hydrolysis is eco-friendly and cost-effective. These methods have the potential to efficiently convert biomass into biofuels and value-added chemicals. Further research is needed to fully understand the mechanisms and operating conditions of these promising technologies.

CHEMOSPHERE (2021)

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Article Environmental Sciences

Progress in microbial biomass conversion into green energy

Yacheng Wang et al.

Summary: The rapid increase in global population has doubled the demand for energy resources, leading to the exploration of new clean energy sources to replace traditional energy sources. Biomass, as the main alternative energy raw material, can be decomposed by microorganisms into clean energy, aiding in the conservation of fossil fuel resources and environmental protection.

CHEMOSPHERE (2021)

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Article Environmental Sciences

A novel oleaginous yeast Saccharomyces cerevisiae CU-TPD4 for lipid and biodiesel production

Wannapawn Watsuntorn et al.

Summary: The study identified a novel Saccharomyces cerevisiae CU-TPD4 isolate from coconut waste residues in Thailand, which was confirmed to be oleaginous yeast with high lipid content. Through optimized growth conditions, the lipid yield of CU-TPD4 was significantly increased, making it a promising candidate for biodiesel production.

CHEMOSPHERE (2021)

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Article Environmental Sciences

Insight into the recent advances of microwave pretreatment technologies for the conversion of lignocellulosic biomass into sustainable biofuel

Anh Tuan Hoang et al.

Summary: Utilizing renewable lignocellulosic biomasses for bioenergy synthesis is believed to facilitate affordable clean energy sources in the future. The combination of microwave irradiation and physicochemical method in biomass pretreatment enhances the efficiency of biofuel production process. Factors like temperature, irradiation time, and initial feedstock components significantly affect the pretreatment process for biomass conversion.

CHEMOSPHERE (2021)

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Article Thermodynamics

Selection of second-generation crop for biodiesel extraction and testing its impact with nano additives on diesel engine performance and emissions

Tawfik Badawy et al.

Summary: The study aimed to identify the most suitable biodiesel source in Egypt and evaluate the impact of carbon nano additives on diesel engine performance and emissions. Jatropha was found to be the most efficient biodiesel source in Egypt, and the addition of carbon nano additives improved engine performance and reduced emissions significantly.

ENERGY (2021)

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Article Nanoscience & Nanotechnology

Insights into the green doping of clinoptilolite with Na+ ions (Na+/Clino) as a nanocatalyst in the conversion of palm oil into biodiesel; optimization and mechanism

Mostafa R. Abukhadra et al.

Summary: The study prepared a high-performance catalyst Na+/Clino by doping natural clinoptilolite with Na+ ions for transesterification of palm oil, achieving a biodiesel yield of 98.2% and excellent recyclability. The prepared Na+ doped clinoptilolite displayed higher efficiency as a heterogeneous basic catalyst compared to other catalysts studied before.

NANOTECHNOLOGY (2021)

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Article Energy & Fuels

A magnetically separable acid-functionalized nanocatalyst for biodiesel production

Bishwajit Changmai et al.

Summary: A robust and magnetically recoverable Fe3O4@SiO2-SO3H core@shell nanoparticulate acid catalyst was successfully synthesized for the transesterification and esterification of triglycerides and free fatty acids. The catalyst showed high conversion rate, low activation energy, excellent chemical and thermal stability, and reusability. The study demonstrated the potential of the catalyst for biodiesel production.

FUEL (2021)

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Article Energy & Fuels

Enhanced activity and stability of Rhizomucor miehei lipase by mutating N-linked glycosylation site and its application in biodiesel production

Miao Tian et al.

Summary: A lipase mutant N59H, engineered with high activity, thermostability, and methanol resistance, showed excellent performance in biodiesel production, demonstrating great potential for commercial application.

FUEL (2021)

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Article Energy & Fuels

The assessment of the engine performance and emissions of a diesel engine fueled by biodiesel produced using different types of catalyst

Hassanain AbdulRahman Allami et al.

Summary: The study focused on producing biodiesel from waste cooking oil using two types of catalyst and blending it with net diesel fuel for use in a diesel engine. The results showed that the heterogeneous catalyst led to a shorter production time but higher energy consumption. Blending biodiesel with diesel slightly improved engine performance and combustion behavior.

FUEL (2021)

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Article Energy & Fuels

Bionic-immobilized recombinant lipase obtained via bio-silicification and its catalytic performance in biodiesel production

Jun Zhang et al.

Summary: In this study, a green and simple bionic-immobilization method was developed for the immobilization of recombinant lipase using bio-silicification, resulting in a high immobilization efficiency and activity recovery. The bionic-immobilization significantly improved the thermal stability, storage stability, and resistance of the bionic-immobilized lipase, with key amino acid residues and molecular conformation playing crucial roles. Additionally, biodiesel production using the bionic-immobilized lipase as catalyst showed high yield and catalytic activity, demonstrating the potential of bionic-immobilization for industrial applications.

FUEL (2021)

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Article Environmental Sciences

Integrating enzymatic hydrolysis into subcritical water pretreatment optimization for bioethanol production from wheat straw

Jiaxin Chen et al.

Summary: The study investigated the optimization of subcritical water pretreatment and high solid hydrolysis for improving the conversion efficiency of bioethanol from wheat straw. Accumulation of lignin in solid residue after enzymatic hydrolysis was found to not affect the efficiency of bioethanol conversion, indicating a promising strategy for utilizing all components of lignocellulosic biomass.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article Biochemistry & Molecular Biology

Application of Rhizomucor miehei lipase-displaying Pichia pastoris whole cell for biodiesel production using agro-industrial residuals as substrate

Raphael Oliveira Sena et al.

Summary: This study successfully utilized a novel biocatalyst RML-PIR1 for producing biodiesel from residual agro-industrial fatty acids. The biocatalyst demonstrated optimal activity at 45 degrees C, with high stability and enhanced reuse potential through treatment with GA and PEG. This new biocatalyst shows promising potential for biotechnological applications, particularly in large-scale biofuel production.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2021)

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Article Chemistry, Physical

Enhanced enzymatic performance of immobilized lipase on metal organic frameworks with superhydrophobic coating for biodiesel production

Le Zhong et al.

Summary: In this study, the hydrophobic ZIF-L coated with PDMS was successfully used to immobilize lipase from Aspergillus oryzae, enhancing its stability and activity recovery. The immobilized lipase exhibited better storage stability and catalyzed higher biodiesel yield, showing great potential for biodiesel production.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

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Review Environmental Sciences

Recent nanobiotechnological advancements in lignocellulosic biomass valorization: A review

Sharmili Roy et al.

Summary: This article discusses the serious threats to the environment caused by human activities, and proposes a shift in fuel production towards bioenergy to avoid sustainability destruction. Lignocellulosic biomass has a wide range of applications, and utilizing these waste biomasses can reduce environmental hazards. Challenges in biomass energy production need to be addressed through new methods such as the fusion of biological treatment and nanotechnology.

JOURNAL OF ENVIRONMENTAL MANAGEMENT (2021)

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Article Chemistry, Multidisciplinary

Lipase Immobilization on Macroporous ZIF-8 for Enhanced Enzymatic Biodiesel Production

Yingli Hu et al.

Summary: The immobilization of Aspergillus niger lipase on macroporous zeolitic imidazolate frameworks (M-ZIF-8) showed higher enzymatic activity, thermal stability, and reusability compared to conventional ZIF-8. Moreover, using ANL@M-ZIF-8 for biodiesel production led to a higher fatty acid methyl ester yield.

ACS OMEGA (2021)

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Article Agricultural Engineering

Natural surfactant-aided dilute sulfuric acid pretreatment of waste wheat straw to enhance enzymatic hydrolysis efficiency

Wei Tang et al.

Summary: This study developed a novel biorefinery method for waste wheat straw, in which a natural surfactant humic acid was used during acidic pretreatment to enhance enzymatic saccharification efficiency. The success of enzymatic digestion was attributed to improved accessibility of cellulose to cellulase and structural changes in lignocellulose. These findings suggest that humic acid may be a beneficial surfactant in biorefinery processes and could potentially inspire research into other natural surfactants.

BIORESOURCE TECHNOLOGY (2021)

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Article Agricultural Engineering

Sulfonated Sargassum horneri carbon as solid acid catalyst to produce biodiesel via esterification

Minghe Cao et al.

Summary: The solid acid catalyst prepared by sulfonated Sargassum horneri carbon efficiently catalyzes the esterification reaction of oleic acid and methanol for biodiesel preparation. By optimizing the conditions, the conversion rate of oleic acid can reach 96.4%, and the catalyst can still maintain a high conversion rate after four cycles of use.

BIORESOURCE TECHNOLOGY (2021)

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Article Agricultural Engineering

Effective pretreatment of lignocellulosic co-substrates using barley straw-adapted microbial consortia to enhanced biomethanation by anaerobic digestion

Mahendra P. Raut et al.

Summary: This study demonstrated that microbial pretreatment with BSAM significantly improved the digestibility and surface area of lignocellulosic material, enhancing biomethanation process and methane production.

BIORESOURCE TECHNOLOGY (2021)

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Article Agricultural Engineering

Transforming lignocellulosic biomass into biofuels enabled by ionic liquid pretreatment

Jinxu Zhang et al.

Summary: Ionic liquids have been used effectively in the conversion of lignocellulosic biomass into biofuels and chemicals, but challenges and technological hurdles still need to be addressed for further advancements in this field.

BIORESOURCE TECHNOLOGY (2021)

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Article Agricultural Engineering

Biodiesel production using microbial lipids derived from food waste discarded by catering services

Miguel Carmona-Cabello et al.

Summary: This study successfully produced microbial oil from discarded food waste and converted it into biodiesel, demonstrating the feasibility of using food waste for biodiesel production.

BIORESOURCE TECHNOLOGY (2021)

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Article Biotechnology & Applied Microbiology

Coupling azo dye degradation and biodiesel production by manganese-dependent peroxidase producing oleaginous yeasts isolated from wood-feeding termite gut symbionts

Sameh Samir Ali et al.

Summary: This study isolated promising yeasts from wood-feeding termite guts for combined azo dyes and textile wastewater bioremediation and biodiesel production. The novel yeast consortium showed efficient azo dyes decolorization and proposed a dye degradation pathway coupled to biodiesel production, offering a new approach for environmental protection and sustainable energy.

BIOTECHNOLOGY FOR BIOFUELS (2021)

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Article Microbiology

Co-Cultivation of Leptolyngbya tenuis (Cyanobacteria) and Chlorella ellipsoidea (Green alga) for Biodiesel Production, Carbon Sequestration, and Cadmium Accumulation

Gour Gopal Satpati et al.

Summary: The co-cultivation of cyanobacteria-Leptolyngbya tenuis and green alga-Chlorella ellipsoidea showed significant enhancement in biomass, lipid yield, and CO2 fixation, as well as effective cadmium bioremediation. This method can provide a cost-effective and eco-friendly approach for biodiesel production with increased efficiency in growth and lipid yield.

CURRENT MICROBIOLOGY (2021)

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Article Environmental Sciences

Production of high quality biodiesel from novel non-edible Raphnus raphanistrum L. seed oil using copper modified montmorillonite clay catalyst

M. Munir et al.

Summary: This study focused on producing high-quality biodiesel from wild Raphnus raphanistrum L. seed oil using an efficient copper-modified montmorillonite clay catalyst. The biodiesel had favorable fuel properties and met international standards, and the catalyst exhibited high catalytic efficiency in repeated reactions. Detailed life cycle assessment studies are recommended to evaluate technical, ecological, social, and economic challenges in using Raphnus raphanistrum L. seed oil biodiesel.

ENVIRONMENTAL RESEARCH (2021)

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Review Energy & Fuels

Opportunities for improving biodiesel production via lipase catalysis

Francisco Thalysson Tavares Cavalcante et al.

Summary: This article discusses the key issues in enzyme-catalyzed biodiesel production, including addressing challenges in the production process and improving efficiency. This includes using lipases as substitutes for chemical catalysts and solving these problems by using low-cost raw materials, new supports, and optimized design.

FUEL (2021)

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Article Energy & Fuels

An investigation of the effect of temperature on the oxidation processes of metallic diesel engine fuel system materials and B100 biodiesel from used cooking oil in exposure testing

M. Matbouei et al.

Summary: Biodiesel is increasingly used in engine applications to reduce harmful emissions, but it is more corrosive to metallic components compared to petroleum diesel. This study found that corrosion rates were significantly faster for copper and brass compared to mild steel and aluminum alloys, with copper causing chain scission and greater biodiesel degradation. Activation energies for corrosion were also calculated for different metals, showing a direct reaction between copper and fatty acids leading to faster corrosion rates.

FUEL (2021)

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Article Biochemistry & Molecular Biology

Improvement of biodiesel production from palm oil by co-immobilization of Thermomyces lanuginosa lipase and Candida antarctica lipase B: Optimization using response surface methodology

Mansour Shahedi et al.

Summary: In this study, CALB and TLL enzymes were co-immobilized on epoxy functionalized silica gel for biodiesel production, with optimized reaction conditions using response surface and central composite rotatable design methods, resulting in high yield and biodiesel production close to the predicted value.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2021)

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Article Biotechnology & Applied Microbiology

Rhodotorula glutinis T13 as a potential source of microbial lipids for biodiesel generation

D. Daniela Maza et al.

Summary: Single cell oils are a promising source of oils for various industrial applications, offering advantages such as circumventing the food vs. fuel controversy, independence from climate and seasonal variations, and having potential for suitable growth parameters. In this study, a red yeast strain showed high lipid production potential and fuel properties in good agreement with international biodiesel standards.

JOURNAL OF BIOTECHNOLOGY (2021)

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Article Environmental Sciences

Palm oil biodiesel: An assessment of PAH emissions, oxidative potential and ecotoxicity of particulate matter

Silvana Arias et al.

Summary: The study assessed the impact of using palm biodiesel on 17 priority PAH compounds, oxidative potential, and ecotoxicity under urban driving conditions. Results showed that increasing biodiesel concentration decreased PAH compounds but increased oxidative potential and ecotoxicity. Different biodiesel blends had varying effects on ascorbic acid depletion and ecotoxicity.

JOURNAL OF ENVIRONMENTAL SCIENCES (2021)

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Article Engineering, Environmental

Valorizing lignin-like dyes and textile dyeing wastewater by a newly constructed lipid-producing and lignin modifying oleaginous yeast consortium valued for biodiesel and bioremediation

Sameh Samir Ali et al.

Summary: The development of a novel oleaginous consortium, OYC-Y.BC.SH, using three yeast cultures has shown great potential for lipid production, textile dye/effluent removal, and lignin valorization. The consortium exhibited high lipid productivity, lipase activity, and decolorization efficiency, making it valuable for biodiesel production and bioremediation of textile effluents. Toxicological studies also support the use of OYC-Y.BC.SH for detoxification of industrial dyeing effluents.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Review Biochemistry & Molecular Biology

Prospects and Challenges of Microwave-Combined Technology for Biodiesel and Biolubricant Production through a Transesterification: A Review

Nur Atiqah Mohamad Aziz et al.

Summary: By integrating microwave heating with other technologies, the limitations of standalone microwave-assisted transesterification can be addressed, leading to improved product yield and energy efficiency.

MOLECULES (2021)

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Article Biochemistry & Molecular Biology

Lipid production by Mortierella isabellina from pretreated corn cobs and effect of lignocellulose derived inhibitors on growth and lipid synthesis

Mirela Ivancic Santek et al.

Summary: High production costs of microbial lipids can be reduced by using available and cheap lignocellulosic biomass. This study found that C:N ratios below 25 stimulated fungus growth, while ratios above 50 led to lipid accumulation. Among the inhibitors from lignocellulosic biomass, phenolics were found to be the most toxic.

PROCESS BIOCHEMISTRY (2021)

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Review Biochemistry & Molecular Biology

Trends in lipase immobilization: Bibliometric review and patent analysis

Francisco Lucas Chaves Almeida et al.

Summary: Enzymes, particularly lipases, have great industrial potential and are being extensively used for flavor ester and biodiesel production through immobilization techniques. China, India, Brazil, and related institutions are academically productive in lipase immobilization research, with many researchers and journals focusing exclusively on this field. The large number of filed patents for immobilized lipases underscores their industrial potential for diverse applications.

PROCESS BIOCHEMISTRY (2021)

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Article Green & Sustainable Science & Technology

Improved biodiesel production from sludge palm oil catalyzed by a low-cost liquid lipase under low-input process conditions

Jun Mann Loh et al.

Summary: This study demonstrated an economical and sustainable enzymatic process for converting sludge palm oil into high-quality biodiesel using a low-cost liquid lipase. The results showed that a high ester content of approximately 94 wt% crude biodiesel could be produced under low-input process conditions with a low enzyme concentration and methanol-to-oil molar ratio at a low operating temperature.

RENEWABLE ENERGY (2021)

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Article Green & Sustainable Science & Technology

Optimization of Chlorella variabilis. MK039712.1 lipid transesterification using Response Surface Methodology and analytical characterization of biodiesel

N. Nirmala et al.

Summary: In this study, biodiesel was successfully produced from Chlorella variabilis MK039712.1 microalga oil by optimizing transesterification conditions, resulting in high yield. The chemical structure changes of transesterified algal oil were analyzed using Fourier Transform Infra-Red Spectroscopy, H-1 Nuclear Magnetic Resonance, and C-13 Nuclear Magnetic Resonance. Fuel properties were found to be comparable with ASTM standards.

RENEWABLE ENERGY (2021)

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Review Environmental Sciences

Recent advances in biodiesel production: Challenges and solutions

Gincy Marina Mathew et al.

Summary: Biodiesel, produced from renewable plant derived oils, is a promising alternative to fossil fuels with similar properties. The production process can involve chemical catalysts or enzymes, with the latter offering environmentally friendly conditions. Further research on enzyme efficiency could enhance commercial biodiesel production.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article Green & Sustainable Science & Technology

Tosylated cloisite as a new heterofunctional carrier for covalent immobilization of lipase and its utilization for production of biodiesel from waste frying oil

Marziyeh Khozeymeh Nezhad et al.

Summary: In this study, Cloisite 30B was converted to tosylated Cloisite as a new heterofunctional support for immobilizing lipase to produce biodiesel efficiently. The results showed that under certain conditions, TCLL can catalyze biodiesel production efficiently, with high stability and reusability.

RENEWABLE ENERGY (2021)

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Article Green & Sustainable Science & Technology

Advanced process integration for supercritical production of biodiesel: Residual waste heat recovery via organic Rankine cycle (ORC)

Omar Aboelazayem et al.

Summary: This study investigates the conceptual design of integrating supercritical biodiesel production process with ORC, and provides energy and techno-economic comparative study for three different scenarios. The integration of biodiesel process with ORC resulted in electric power generation that satisfies the process electric requirement and provides excess power.

RENEWABLE ENERGY (2021)

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Article Engineering, Environmental

Technical feasibility of biodiesel production from virgin oil and waste cooking oil: Comparison between traditional and innovative process based on hydrodynamic cavitation

Valentina Innocenzi et al.

Summary: This study analyzed the biodiesel production scheme using virgin oil and waste cooking oil as feedstocks, and found that utilizing hydrodynamic cavitation can reduce energy consumption by approximately 40%.

WASTE MANAGEMENT (2021)

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Review Microbiology

The Potential of Single-Cell Oils Derived From Filamentous Fungi as Alternative Feedstock Sources for Biodiesel Production

Sizwe Mhlongo et al.

Summary: The use of filamentous fungi as producers of Single Cell Oils (SCOs) for biodiesel production shows promise, but high production costs and technical difficulties remain a challenge. Current research focuses on improving production efficiency, reducing costs, and exploring process integration strategies for biorefinery approaches.

FRONTIERS IN MICROBIOLOGY (2021)

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Review Engineering, Chemical

Progress in Enzymatic Biodiesel Production and Commercialization

Liangliang Lv et al.

Summary: Progress has been made in enzymatic biodiesel production, with advancements in reducing enzyme costs, utilizing low-quality raw materials, and designing novel reactors. The advantages and disadvantages of different enzymatic processes have been compared.

PROCESSES (2021)

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Article Agronomy

Hydrothermal Pretreatment of Wheat Straw: Effects of Temperature and Acidity on Byproduct Formation and Inhibition of Enzymatic Hydrolysis and Ethanolic Fermentation

Dimitrios Ilanidis et al.

Summary: Biochemical conversion of wheat straw was studied using hydrothermal pretreatment, enzymatic saccharification, and microbial fermentation. Different pretreatment conditions had significant effects on chemical composition, enzymatic digestibility, carbohydrate composition, inhibitory byproducts, furfural, and fermentability. Xylose concentration in pretreatment liquids increased with temperature up to 190 degrees C and then decreased.

AGRONOMY-BASEL (2021)

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Article Chemistry, Multidisciplinary

Catalysis Preparation of Biodiesel from Waste Schisandra chinensis Seed Oil with the Ionic Liquid Immobilized in a Magnetic Catalyst: Fe3O4@SiO2@[C4mim]HSO4

Jintao Yu et al.

Summary: The study aimed to synthesize a magnetic catalyst-immobilized ionic liquid for biodiesel preparation, and Fe3O4@SiO2@[C4mim]HSO4 showed the highest catalytic efficiency. Under the optimum reaction conditions, the yield of biodiesel was 0.557 g/g and the thermal value increased to 38.28 kJ/g. The catalyst maintained high catalytic efficiency even after multiple reuse cycles.

ACS OMEGA (2021)

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Review Agricultural Engineering

Biodiesel from oil produced in vegetative tissues of biomass - A review

Ramkrishna Singh et al.

Summary: Biodiesel is a green, renewable alternative to petroleum-derived diesel, but using vegetable oil for production poses challenges to food security. Advances in metabolic engineering and lipid biosynthesis have enabled the engineering of plant vegetative tissues for lipid production. Strategies for increasing lipid accumulation and maintaining ideal fatty acid profiles for biodiesel production are essential in utilizing these alternative sources.

BIORESOURCE TECHNOLOGY (2021)

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Article Agricultural Engineering

Kinetic and optimization study of sustainable biodiesel production from waste cooking oil using novel heterogeneous solid base catalyst

Abdul Naeem et al.

Summary: A novel Na-SiO2@TiO2 heterogeneous base catalyst was successfully used for transesterification of waste cooking oil, achieving a high biodiesel yield. The catalyst showed good catalytic activity and reusability in consecutive runs. Kinetic and thermodynamic studies provided valuable insights into the reaction mechanism and energy parameters.

BIORESOURCE TECHNOLOGY (2021)

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Article Agricultural Engineering

Lipid content, biomass density, fatty acid as selection markers for evaluating the suitability of four fast growing cyanobacterial strains for biodiesel production

Geetanjali Yadav et al.

Summary: This research article investigated lipid accumulation in four fast growing, filamentous cyanobacterial strains, finding that certain strains had higher lipid content under optimal light conditions. Additionally, the effects of different temperatures and pH on lipid content varied among the strains.

BIORESOURCE TECHNOLOGY (2021)

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Article Biotechnology & Applied Microbiology

Biodiesel production from alternative raw materials using a heterogeneous low ordered biosilicified enzyme as biocatalyst

Gabriel Orlando Ferrero et al.

Summary: The translation introduces the background of using renewable feedstocks as a promising alternative source for fuels and chemicals, emphasizing the need for developing highly active and selective catalysts for biomass conversions. The combination of enzymatic and inorganic heterogeneous catalysis is proposed for creating enzymatic heterogeneous catalysts with superior stability. The successful development of the LOBE4 enzyme biocatalyst using biosilicification technology is highlighted as a promising tool for sustainable biofuel production, particularly in converting non-edible oils into biodiesel efficiently.

BIOTECHNOLOGY FOR BIOFUELS (2021)

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Review Chemistry, Multidisciplinary

Nanoferrites heterogeneous catalysts for biodiesel production from soybean and canola oil: a review

Manish Kumar Bharti et al.

Summary: The depletion and pollution of fossil fuels are prompting the use of alternative, renewable energies such as biofuels. Nanoferrites heterogeneous catalysts have been reviewed for producing biodiesel efficiently. Using transesterification, high conversion yields, low cost, and reusable catalysts can be achieved, with over 90% conversion yields possible with moderate alcohol/oil ratios.

ENVIRONMENTAL CHEMISTRY LETTERS (2021)

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Article Environmental Sciences

The impact of abiotic factors on the growth and lipid accumulation of some green microalgae for sustainable biodiesel production

Mustafa A. Fawzy et al.

Summary: Three species of freshwater planktonic green microalgae were isolated from the Nile water in Upper Egypt, among which, S. incrassatulus showed potential for biodiesel production based on its fatty acid profile.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2021)

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Article Energy & Fuels

Amine and aldehyde functionalized mesoporous silica on magnetic nanoparticles for enhanced lipase immobilization, biodiesel production, and facile separation

Fahimeh Esmi et al.

Summary: Fatty acid methyl ester (FAME) was synthesized from olive oil using Rhizopus oryzae lipase (ROL) immobilized on mesoporous silica magnetic nanoparticles (MNPs). The immobilized lipase showed increased enzyme loading efficiency and led to a higher biodiesel production compared to other nanobiocatalysts, making it a suitable nanomaterial for ROL immobilization. The physico-chemical properties of the MNPs were characterized and correlated with their activities for biodiesel synthesis.

FUEL (2021)

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Article Biochemistry & Molecular Biology

Covalent immobilization of lipase from Candida rugosa on epoxy-activated cloisite 30B as a new heterofunctional carrier and its application in the synthesis of banana flavor and production of biodiesel

Hamidreza Aghaei et al.

Summary: In this study, a new heterofunctional carrier ECL was prepared and successfully utilized for the immobilization of lipase LECL, showing excellent catalytic performance and thermal stability. The research provides a new approach for the development of biocatalysis field.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2021)

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Article Green & Sustainable Science & Technology

Predictive capability evaluation and optimization of sustainable biodiesel production from oleaginous biomass grown on pulp and paper industrial wastewater

Madhu E. Vasaki et al.

Summary: This study aims to produce biodiesel by utilizing oleaginous biomasses grown on industrial wastewater to achieve green environment and reduce wastewater discharge. Results showed that oleaginous biomasses, particularly the Yarrowia lipolytica strain, exhibited high biomass concentration and productivity in wastewater, indicating their suitability for further scale-up production.

RENEWABLE ENERGY (2021)

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Article Environmental Sciences

Effects of light intensity and nutrients on the lipid content of marine microalga (diatom) Amphiprora sp. for promising biodiesel production

Saravanan Jayakumar et al.

Summary: In this research, Amphiprora sp. was identified with the highest lipid content for potential biodiesel production. The study focused on optimizing growth parameters and lipid yield in a modified nanomaterial culture medium. Future investigations should explore the use of different nanomaterials in the culture medium to enhance lipid production in microalgal cells.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article Multidisciplinary Sciences

Improved biodiesel production from waste cooking oil with mixed methanol-ethanol using enhanced eggshell-derived CaO nano-catalyst

Yeshimebet Simeon Erchamo et al.

Summary: By using enhanced eggshell-derived calcium oxide nano-catalyst, the efficiency of biodiesel production from waste cooking oil was improved. The study found that under certain operating conditions, a high biodiesel yield can be obtained.

SCIENTIFIC REPORTS (2021)

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Article Chemistry, Physical

Codisplay of Rhizopus oryzae and Candida rugosa Lipases for Biodiesel Production

Xiaoxu Yang et al.

Summary: The study successfully produced biodiesel from tallow seed oil by codisplaying CRL1 and ROL on the cell surfaces of P. pastoris whole-cell catalysts. The activity of codisplaying strains was significantly higher than that of single-displayed enzymes, and using codisplayed enzymes for catalysis can increase the production of methyl esters.

CATALYSTS (2021)

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Article Chemistry, Multidisciplinary

Locally Sustainable Biodiesel Production from Waste Cooking Oil and Grease Using a Deep Eutectic Solvent: Characterization, Thermal Properties, and Blend Performance

Neelam Khan et al.

Summary: The biodiesel synthesized using a deep eutectic solvent (DES) was found to be suitable for powering campus utility vehicles, providing increased local sustainability. The biodiesel's components were characterized by various analytical techniques, showing good thermal stability and combustion properties suitable for moderate temperature climates.

ACS OMEGA (2021)

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Article Chemistry, Multidisciplinary

Integrated Utilization Strategy for Soybean Oil Deodorizer Distillate: Synergically Synthesizing Biodiesel and Recovering Bioactive Compounds by a Combined Enzymatic Process and Molecular Distillation

Wen Lv et al.

Summary: This study compared different immobilized enzymes and found that immobilized lipase MAS1-H108A was the most effective in synthesizing biodiesel from SODD, while not causing loss of tocopherols and squalene. Through molecular distillation, pure biodiesel and high concentrations of bioactive compounds could be successfully separated.

ACS OMEGA (2021)

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Review Biotechnology & Applied Microbiology

Biodiesel production with enzymatic technology: progress and perspectives

Mustafa Kamal Pasha et al.

Summary: The article discusses enzymatic esterification / transesterification technology and its contribution to the green synthesis of biodiesel, providing a comprehensive assessment of the impact of different reaction components and recent developments in improving enzymatic biodiesel production. It also explains in greater detail the kinetics and mechanism of enzymatic reaction when lipase is used as a catalyst.

BIOFUELS BIOPRODUCTS & BIOREFINING-BIOFPR (2021)

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Review Agricultural Engineering

Heterogeneous base catalysts: Synthesis and application for biodiesel production ? A review

Mani Jayakumar et al.

Summary: Recent research has shown that heterogeneous catalysts are preferred in biodiesel production, with animal shells and bones being suitable biowastes for synthesizing environmentally friendly and cost-effective catalysts.

BIORESOURCE TECHNOLOGY (2021)

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Review Agricultural Engineering

Pretreatment of lignocellulosic biomass: A review on recent advances

Akshay R. Mankar et al.

Summary: Depleting fossil reserves and increasing energy needs have raised the demand for alternative and clean energy sources. Utilizing lignocellulosic biomass for pretreatment has provided the impetus for developing economic and eco-friendly large scale biorefinery applications. New pretreatment approaches, such as milling, extrusion, microwave, ammonia fibre explosion, and eutectic solvents, are being explored for sustainable technologies in modern biorefineries.

BIORESOURCE TECHNOLOGY (2021)

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Article Agricultural Engineering

Second- and third-generation biodiesel production with immobilised recombinant Rhizopus oryzae lipase: Influence of the support, substrate acidity and bioprocess scale-up

Josu Lopez-Fernandez et al.

Summary: Immobilizing Rhizopus oryzae lipase on Purolite (R) and magnetite superparamagnetic supports increased operational stability; functionalizing Purolite (R) enhanced biodiesel and volumetric productivity; raising substrate acidity significantly improved operational stability of the biocatalyst.

BIORESOURCE TECHNOLOGY (2021)

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Review Agricultural Engineering

Fiber degradation and carbohydrate production by combined biological and chemical/physicochemical pretreatment methods of lignocellulosic biomass-A review

S. Meenakshisundaram et al.

Summary: Sustainable biorefinery concepts based on lignocellulosic biomass have attracted global attention, requiring combined biological and chemical/physicochemical pretreatment for substrate preparation. Different combinations of pretreatment methods can effectively mitigate the drawbacks of a single pretreatment step, enhancing fiber degradation and sugar yields.

BIORESOURCE TECHNOLOGY (2021)

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Article Agricultural Engineering

Recent advances in green solvents for lignocellulosic biomass pretreatment: Potential of choline chloride (ChCl) based solvents

Chung Loong Yiin et al.

Summary: Biomass wastes have great potential for renewable energy and value-added product synthesis. The key lies in developing pretreatment techniques to overcome barriers in lignocellulosic materials and find cheap, effective, environmentally friendly methods. The use of green solvents and the role of choline chloride (ChCl) in them are areas of interest and ongoing research.

BIORESOURCE TECHNOLOGY (2021)

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Review Biotechnology & Applied Microbiology

Optimization of biogas yield from lignocellulosic materials with different pretreatment methods: a review

Kehinde Oladoke Olatunji et al.

Summary: This article discusses the pretreatment technologies of substrates in biogas production, focusing on improving the efficiency and environmental friendliness of biogas yield. The goal of pretreatments is to degrade lignin, cellulose, and hemicellulose for better accessibility of substrates for further degradation and accelerated biogas production.

BIOTECHNOLOGY FOR BIOFUELS (2021)

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Article Biotechnology & Applied Microbiology

Magnetic COFs as satisfied support for lipase immobilization and recovery to effectively achieve the production of biodiesel by great maintenance of enzyme activity

Zi-Wen Zhou et al.

Summary: The study presented a core-shell magnetic COF composite for immobilizing Rhizomucor miehei lipase to produce biodiesel, demonstrating excellent immobilization efficiency and catalytic performance.

BIOTECHNOLOGY FOR BIOFUELS (2021)

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Article Engineering, Chemical

Production of biofuels from sunlight and lignocellulosic sugars using microbial consortia

Jose Alberto Gomez et al.

Summary: New environmental policies are driving efficient production of biofuels, however, biofuels based on microbial biomass cultivation are currently not cost-effective due to low productivity. Better process models are needed to improve the performance of raceway ponds. Study shows that microbial consortia growing on lignocellulosic waste can be implemented in more locations with lower production costs.

CHEMICAL ENGINEERING SCIENCE (2021)

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Review Green & Sustainable Science & Technology

Review of biodiesel synthesis technologies, current trends, yield influencing factors and economical analysis of supercritical process

Muhammad Umer Qadeer et al.

Summary: The global energy use is gradually shifting towards renewable energy sources due to concerns over climate change and environmental pollution. Biodiesel, as a clean, renewable, and environmentally friendly alternative to petroleum fuels, is being explored for effective synthesis methods, with a focus on supercritical production for higher efficiency and energy savings.

JOURNAL OF CLEANER PRODUCTION (2021)

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Review Chemistry, Multidisciplinary

Evaluation on feedstock, technologies, catalyst and reactor for sustainable biodiesel production: A review

Mohd Nurfirdaus Bin Mohiddin et al.

Summary: The development of biodiesel as an alternative to fossil fuels has been driven by the detrimental impact of fossil fuel utilization on the environment. The production of biodiesel involves transesterification, with factors such as feedstock and catalyst type and amount, alcohol-to-feedstock ratio, and reaction conditions affecting the quantity and quality of biodiesel produced. Recent studies have focused on improving the efficiency of biodiesel reactors for commercial production.

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY (2021)

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Article Biotechnology & Applied Microbiology

Aspergillus caespitosus ASEF14, an oleaginous fungus as a potential candidate for biodiesel production using sago processing wastewater (SWW)

Naganandhini Srinivasan et al.

Summary: The study utilized oleaginous fungi to decontaminate sago processing wastewater and produce biodiesel, with the isolate Aspergillus caespitosus showing high lipid accumulation ability and meeting biodiesel standards, as well as removing pollutants, indicating potential applications.

MICROBIAL CELL FACTORIES (2021)

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Review Biochemistry & Molecular Biology

Advances in Enzyme and Ionic Liquid Immobilization for Enhanced in MOFs for Biodiesel Production

Reem Shomal et al.

Summary: Biodiesel production research worldwide is focusing on optimizing the process, with recent developments looking at using metal-organic frameworks (MOFs) as catalysts. MOFs offer high tunability, crystallinity, and surface area, but their catalytic sites are limited within their structure. Modifying MOFs by immobilizing enzymes or ionic liquids (ILs) can enhance performance and improve stability and reusability of catalytic systems for biodiesel production.

MOLECULES (2021)

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Review Green & Sustainable Science & Technology

State-of-the-art technologies for biofuel production from triglycerides: A review

Feng Long et al.

Summary: The paper provides an overview of converting triglycerides into biofuels using various technologies and catalysts. It discusses critical aspects such as feedstock analysis, mechanism research, and catalyst development, as well as the production and application of biodiesel. Life cycle assessment and greenhouse gas emission evaluation are also reviewed to assess the renewability and sustainability of biofuels.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2021)

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Article Green & Sustainable Science & Technology

Activated magnetic lipase-inorganic hybrid nanoflowers: A highly active and recyclable nanobiocatalyst for biodiesel production

Le Zhong et al.

Summary: In this study, surfactant activated lipase from Aspergillus oryzae was used to prepare magnetic hybrid nanoflowers with Fe3O4 magnetic nanoparticles embedded, showing high catalytic efficiency, tolerance, and reusability. The magnetic hybrid nanoflowers exhibited excellent performance in producing biodiesel from soybean oil, with a high yield even after multiple cycles of reuse.

RENEWABLE ENERGY (2021)

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Article Green & Sustainable Science & Technology

One-step direct transesterification of wet yeast for biodiesel production catalyzed by magnetic nanoparticle-immobilized lipase

Xiyue Cao et al.

Summary: A method for direct transesterification of wet yeast using immobilized lipase was developed in this study, which improved the efficiency of biodiesel production. The immobilized lipase covalently cross-linked with Fe3O4@SiO2-CHO showed high enzyme activity and immobilization rate. The optimal temperature for the immobilized lipase was 60 degrees C, and it still retained 80% activity after storage.

RENEWABLE ENERGY (2021)

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Article Environmental Sciences

Carbonate assisted lipid extraction and biodiesel production from wet microalgal biomass and recycling waste carbonate for CO2 supply in microalgae cultivation

Ruolan Zhang et al.

Summary: This study systematically reduced the cost of microalgal biofuel production by using carbonate for cell rupture, lipid extraction, and biodiesel processing, as well as recycling waste carbonate for carbon re-supply during algae cultivation. The integrated process demonstrated high efficiency in cell disruption and lipid recovery, leading to increased biodiesel production and total fatty acids concentration during algae cultivation.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article Multidisciplinary Sciences

Optimizing the catalytic activities of methanol and thermotolerant Kocuria flava lipases for biodiesel production from cooking oil wastes

Azhar Najjar et al.

Summary: Two thermotolerant and methanol-tolerant lipase-producing bacteria were isolated from cooking oil, with Kocuria flava ASU5 showing the highest methanol tolerance and producing biodiesel with a yield of 83.08% under optimized conditions. The produced biodiesel was confirmed by FTIR spectroscopy and had an energy content of 12,628.5 kJ/mol.

SCIENTIFIC REPORTS (2021)

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Review Energy & Fuels

Biodiesel from Microorganisms: A Review

Yuwei Chen et al.

Summary: This article discusses the renewable, environmentally friendly, and biodegradable qualities of biodiesel, focusing on the production process of third-generation biodiesel and ways to promote its development.

ENERGY TECHNOLOGY (2021)

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Review Chemistry, Multidisciplinary

Advances in Pretreatment of Straw Biomass for Sugar Production

Jinyu Tan et al.

Summary: Straw biomass is a cost-effective and renewable feedstock for producing valuable chemicals and biofuels. Suitable pretreatment is essential for efficient production of fermentable sugars. Various pretreatment methods can effectively separate components and improve accessibility and susceptibility.

FRONTIERS IN CHEMISTRY (2021)

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Article Chemistry, Multidisciplinary

Overview of Feedstocks for Sustainable Biodiesel Production and Implementation of the Biodiesel Program in Pakistan

Zulqarnain et al.

Summary: The exponentially increasing energy demand of the world necessitates a transition to renewable energy such as biofuels to combat environmental pollution and oil shortages. By synthesizing biodiesel through catalytic transesterification, countries like Pakistan can reduce oil imports, enhance economic growth, and minimize production costs for successful implementation. Research on innovative solvents and catalysts is crucial for further cost reduction and successful biodiesel implementation.

ACS OMEGA (2021)

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Article Multidisciplinary Sciences

Synthesis of biodiesel from Annona muricata - Calophyllum inophyllum oil blends using calcined waste wood ash as a heterogeneous base catalyst

T. F. Adepoju

Summary: A novel heterogeneous base catalyst was developed from waste wood ash, which was used in synthesis of biodiesel from Annona muricata and Calophyllum inophyllum oilseed blend. The production route included a two-step process and process optimization via response surface methodology, resulting in optimal biodiesel yield.

METHODSX (2021)

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Article Chemistry, Applied

Application of Genetic Algorithm for Increasing the Utilization of Poor-quality Biodiesel through Blending

Chellachamy Adhikesavan et al.

Summary: Biodiesel is a viable alternative to petroleum diesel, but the properties of biodiesel vary depending on the feedstock used, leading to significant differences between different biodiesels. Blending multiple biodiesels can be used to utilize low-quality biodiesel and ensure compliance with specifications.

JOURNAL OF OLEO SCIENCE (2021)

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Article Biotechnology & Applied Microbiology

Lipase from Rhizopus oryzae R1: in-depth characterization, immobilization, and evaluation in biodiesel production

Shimaa E. Helal et al.

Summary: The study focused on partially purifying and immobilizing lipase from Rhizopus oryzae R1, finding it to exhibit excellent efficiency and reusability in detergent and biodiesel production.

JOURNAL OF GENETIC ENGINEERING AND BIOTECHNOLOGY (2021)

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Article Biochemistry & Molecular Biology

Magnetic Cross-Linked Enzyme Aggregates of Aspergillus oryzae ST11 Lipase Using Polyacrylonitrile Coated Magnetic Nanoparticles for Biodiesel Production

Pattarapon Paitaid et al.

APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY (2020)

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Review Biotechnology & Applied Microbiology

Emerging technologies for the pretreatment of lignocellulosic materials for bio-based products

Nasir Ali et al.

APPLIED MICROBIOLOGY AND BIOTECHNOLOGY (2020)

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Review Agricultural Engineering

Recent advances in the pretreatment of microalgal and lignocellulosic biomass: A comprehensive review

Revathy Sankaran et al.

BIORESOURCE TECHNOLOGY (2020)

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Review Biochemistry & Molecular Biology

Lipases in liquid formulation for biodiesel production: Current status and challenges

Joao H. C. Wancura et al.

BIOTECHNOLOGY AND APPLIED BIOCHEMISTRY (2020)

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Review Agricultural Engineering

Ionic liquid based pretreatment of lignocellulosic biomass for enhanced bioconversion

Zeba Usmani et al.

BIORESOURCE TECHNOLOGY (2020)

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Review Agricultural Engineering

Recent developments in pretreatment technologies on lignocellulosic biomass: Effect of key parameters, technological improvements, and challenges

Shashi Kant Bhatia et al.

BIORESOURCE TECHNOLOGY (2020)

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Article Biotechnology & Applied Microbiology

Simultaneous lipid production for biodiesel feedstock and decontamination of sago processing wastewater using Candida tropicalis ASY2

Kiruthika Thangavelu et al.

BIOTECHNOLOGY FOR BIOFUELS (2020)

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Article Environmental Sciences

Assessing the robust growth and lipid-accumulating characteristics ofScenedesmussp. for biodiesel production

Neha Arora et al.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2020)

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Article Biotechnology & Applied Microbiology

Direct transesterification of fatty acids produced by Fusarium solani for biodiesel production: effect of carbon and nitrogen on lipid accumulation in the fungal biomass

A-H M. Rasmey et al.

JOURNAL OF APPLIED MICROBIOLOGY (2020)

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Article Green & Sustainable Science & Technology

Preparation and characterization of novel hybrid bio-support material immobilized from Pseudomonas cepacia lipase and its application to enhance biodiesel production

Dilip Kumar et al.

RENEWABLE ENERGY (2020)

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Review Energy & Fuels

Oilseed Enzymatic Pretreatment for Efficient Oil Recovery in Biodiesel Production Industry: a Review

Kim Valladares-Diestra et al.

BIOENERGY RESEARCH (2020)

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Article Agricultural Engineering

Pretreatment strategies for enhanced biogas production from lignocellulosic biomass

Amith Abraham et al.

BIORESOURCE TECHNOLOGY (2020)

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Review Agricultural Engineering

The critical role of lignin in lignocellulosic biomass conversion and recent pretreatment strategies: A comprehensive review

Chang Geun Yoo et al.

BIORESOURCE TECHNOLOGY (2020)

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Article Biotechnology & Applied Microbiology

Lipase immobilized on functionalized superparamagnetic few-layer graphene oxide as an efficient nanobiocatalyst for biodiesel production from Chlorella vulgaris bio-oil

Tahereh Nematian et al.

BIOTECHNOLOGY FOR BIOFUELS (2020)

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Article Biophysics

Immobilized lipase in bio-based metal-organic frameworks constructed by biomimetic mineralization: A sustainable biocatalyst for biodiesel synthesis

Qing Li et al.

COLLOIDS AND SURFACES B-BIOINTERFACES (2020)

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Article Energy & Fuels

Recent Advances in Enzymatic Conversion of Microalgal Lipids into Biodiesel

S. M. Zakir Hossain et al.

ENERGY & FUELS (2020)

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Review Green & Sustainable Science & Technology

Critical evaluation of process parameters for direct biodiesel production from diverse feedstock

Eko K. Sitepu et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2020)

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Article Agricultural Engineering

Progress in the development of alkali and metal salt catalysed lignocellulosic pretreatment regimes: Potential for bioethanol production

Preshanthan Moodley et al.

BIORESOURCE TECHNOLOGY (2020)

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Article Agricultural Engineering

Novel recyclable deep eutectic solvent boost biomass pretreatment for enzymatic hydrolysis

Zhi-Kun Wang et al.

BIORESOURCE TECHNOLOGY (2020)

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Review Biochemistry & Molecular Biology

Production and use of immobilized lipases in/on nanomaterials: A review from the waste to biodiesel production

Le Zhong et al.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2020)

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Article Chemistry, Physical

Entrapping Immobilisation of Lipase on Biocomposite Hydrogels toward for Biodiesel Production from Waste Frying Acid Oil

Papasanee Muanruksa et al.

CATALYSTS (2020)

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Article Biotechnology & Applied Microbiology

Role of C/N ratio on microalgae growth in mixotrophy and incorporation of titanium nanoparticles for cell flocculation and lipid enhancement in economical biodiesel application

Anwesha Khanra et al.

3 BIOTECH (2020)

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Article Biotechnology & Applied Microbiology

Effects of nitrogen and phosphorus limitation on lipid accumulation by Chlorella kessleri str. UTEX 263 grown in darkness

Nayan Shrestha et al.

JOURNAL OF APPLIED PHYCOLOGY (2020)

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Article Chemistry, Multidisciplinary

Specific Anion Effects on Lipase Adsorption and Enzymatic Synthesis of Biodiesel in Nonaqueous Media

Michela Collu et al.

LANGMUIR (2020)

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