☆ 4.8 Review

Advances in process design, techno-economic assessment and environmental aspects for hydrothermal pretreatment in the fractionation of biomass under biorefinery concept

BIORESOURCE TECHNOLOGY (2023)

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Article Energy & Fuels

Enzymatic Hydrolysis, Kinetic Modeling of Hemicellulose Fraction, and Energy Efficiency of Autohydrolysis Pretreatment Using Agave Bagasse

Shiva et al.

Summary: Agave bagasse shows potential as raw material for second-generation biorefineries, however, the recalcitrance of lignocellulose biomass hinders its conversion into fermentable sugars. This study explores an alternative autohydrolysis process to fractionate the biomass, with the pretreated solid phase containing more than 41.71% glucan content. A kinetic modeling of hemicellulose fraction depolymerization was also conducted. The cellulolytic hydrolysis process yielded a significant increase in glucose concentration and achieved high saccharification conversion.

BIOENERGY RESEARCH (2023)

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Article Energy & Fuels

Hydrothermal kinetic modeling for microalgae biomass under subcritical condition cultivated in a close bubble tubular photobioreactor

Gilver Rosero-Chasoy et al.

Summary: This study investigates the growth and production of carbohydrates, proteins, lipids, and chlorophyll in Spirulina platensis using synthetic wastewater. A mixture experimental design based on carbon-nitrogen-phosphorus (C:N:P) ratio was employed. Scale-up in microalgal biomass growth was conducted in a tubular column photobioreactor. The activation energy and kinetic growth analysis of Spirulina platensis biomass were determined, with a focus on carbohydrate concentration.

FUEL (2023)

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Article Biotechnology & Applied Microbiology

Cost analysis of subcritical water pretreatment of sugarcane straw and bagasse for second-generation bioethanol production: a case study in a sugarcane mill

William Gustavo Sganzerla et al.

Summary: A cost analysis of subcritical water pretreatment (SCWP) of sugarcane by-products for ethanol production was conducted, revealing the need for significant technical improvement before scaling up to industrial scale, as the current cost is approximately 10-fold higher than the market price for ethanol in Brazil.

BIOFUELS BIOPRODUCTS & BIOREFINING-BIOFPR (2022)

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Review Agricultural Engineering

Hydrothermal carbonization and Liquefaction: differences, progress, challenges, and opportunities

Daniel Lachos-Perez et al.

Summary: Hydrothermal liquefaction (HTL) and Hydrothermal Carbonization (HTC) are environmentally friendly and technologically innovative thermochemical processes that show significant differences in operation parameters, technical issues, and main products. Environmental and techno-economic assessments can evaluate the environmental sustainability and economic implications of these techniques. Perspectives and challenges are explored, along with integration approaches for hydrothermal valorization pathways and biorefining.

BIORESOURCE TECHNOLOGY (2022)

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Review Agricultural Engineering

Fungal xylanolytic enzymes: Diversity and applications

Xinxin Li et al.

Summary: Fungi are important polysaccharide degraders in nature, and they can diversify their carbohydrate-active enzyme combinations to survive in different ecological habitats. This review summarizes the current knowledge on substrate specificity of xylanolytic enzymes and the diversity of enzyme sets in fungi, and reviews the industrial applications of fungal xylanolytic enzymes.

BIORESOURCE TECHNOLOGY (2022)

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Review Agricultural Engineering

Hydrothermal pretreatment for the production of oligosaccharides: A review

Panpan Yue et al.

Summary: This research compared the differences between hydrothermal pretreatment and traditional pretreatment methods, evaluated the fundamentals and classification of hydrothermal pretreatment, as well as the latest studies on hydrothermal preparation of oligosaccharides to provide a theoretical basis for production and application. Challenges and future trends for green and large-scale hydrothermal pretreatment for oligosaccharide production were also proposed.

BIORESOURCE TECHNOLOGY (2022)

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Review Agricultural Engineering

Liquid hot water as sustainable biomass pretreatment technique for bioenergy production: A review

Wei-Hsin Chen et al.

Summary: In recent years, lignocellulosic biomass has gained attention as a versatile energy source for biofuels and chemicals production, with biomass pretreatment playing a crucial role in enhancing product quality. Liquid hot water (LHW) pretreatment offers advantages such as minimal monomeric sugar formation and significant hemicellulose removal, but constraints need to be addressed for optimal efficiency. Future research should focus on advanced pretreatment techniques based on circular economy principles to maximize efficiency and minimize costs.

BIORESOURCE TECHNOLOGY (2022)

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Review Biochemical Research Methods

Enzymatic upgrading of heteroxylans for added-value chemicals and polymers

Thu V. Vuong et al.

Summary: Xylan is a natural polysaccharide that has attracted much interest in its upgrading for various applications. Significant progress has been made in the discovery and application of enzymes for debranching and modifying xylans, leading to improved properties and potential uses.

CURRENT OPINION IN BIOTECHNOLOGY (2022)

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Article Agricultural Engineering

Exploitation of olive tree pruning biomass through hydrothermal pretreatments

Juan Miguel Romero-Garcia et al.

Summary: The study compared the performance of liquid hot water (LHW) and steam explosion (SE) as pretreatment methods for converting olive tree pruning biomass. Results showed that LHW achieved higher overall sugar recovery at a lower temperature, while SE resulted in more ethanol production.

INDUSTRIAL CROPS AND PRODUCTS (2022)

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Review Green & Sustainable Science & Technology

Steam explosion of lignocellulosic biomass for multiple advanced bioenergy processes: A review

Yan Yu et al.

Summary: Steam explosion is an effective method for biomass pretreatment, improving biomass properties and benefiting subsequent bioenergy conversion processes. By enhancing the sustainability and processability of biomass, higher yields and better quality final products can be achieved.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2022)

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Article Forestry

Assessment of the effectiveness of liquid hot water and steam explosion pretreatments of fast-growing poplar (Populus trichocarpa) wood

Andrzej Antczak et al.

Summary: The study compared the effects of liquid hot water and steam explosion pretreatment methods on fast-growing Populus trichocarpa wood, finding that pretreatment significantly improved enzymatic digestibility and chemical composition of the wood, particularly affecting the content of hemicelluloses.

WOOD SCIENCE AND TECHNOLOGY (2022)

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Review Biotechnology & Applied Microbiology

Hydrothermal Pretreatment of Lignocellulosic Feedstocks to Facilitate Biochemical Conversion

Carlos Martin et al.

Summary: Biochemical conversion of lignocellulosic feedstocks to advanced biofuels and other bio-based commodities typically includes hydrothermal pretreatment, which improves the efficiency of enzymatic saccharification. This review focuses on the reaction conditions, chemistry, and effects of hydrothermal pretreatment on subsequent processes.

FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY (2022)

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Review Energy & Fuels

Toward a Fundamental Understanding of the Role of Lignin in the Biorefinery Process

Lan Yao et al.

Summary: This review comprehensively investigates the transformation of lignin during various pretreatment methods and how these changes affect cellulases inhibition. Future directions for reducing cellulases inhibition are also proposed.

FRONTIERS IN ENERGY RESEARCH (2022)

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Review Agriculture, Dairy & Animal Science

Improving fiber utilization from rapeseed and sunflower seed meals to substitute soybean meal in pig and chicken diets: A review

C. Lannuzel et al.

Summary: This study focuses on the degradation of fibers in rapeseed meal (RSM), sunflower seed meal (SFM), and soybean meal (SBM). It is found that RSM and SFM are more difficult to degrade compared to SBM, and the degradation is often incomplete. The addition of multi-carbohydrases can improve the degradation of fibers in RSM, while mechanical, (hydro)thermal, or chemical treatments have limited effect.

ANIMAL FEED SCIENCE AND TECHNOLOGY (2022)

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Review Agricultural Engineering

Lignin valorization: Status, challenges and opportunities

Sivasamy Sethupathy et al.

Summary: As an abundant aromatic biopolymer, lignin holds great potential for producing various chemicals and biofuels through biorefinery activities, contributing to a sustainable circular economy. However, lignin valorization faces challenges such as its heterogeneous nature, intrinsic recalcitrance, strong smell, dark color, difficulties in lignocellulosic fractionation, and high bond dissociation enthalpies in its functional groups. Despite these constraints, recent research and development have shown promising applications of lignin-based hydrogels, surfactants, 3D printing materials, electrodes, and fine chemicals production. This review summarizes the main limitations and possible solutions for industrial lignin valorization, and provides future perspectives based on its abundance and potential applications reported in scientific literature.

BIORESOURCE TECHNOLOGY (2022)

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Review Agricultural Engineering

High-solids loading processing for an integrated lignocellulosic biorefinery: Effects of transport phenomena and rheology-A review

Shiva et al.

Summary: This review presents an analysis of the processing of lignocellulosic biomass in high solids conditions, focusing on the biorefinery concept and circular bioeconomy. It discusses various strategies for pretreatment, enzymatic hydrolysis, and fermentation to achieve efficient lignocellulosic bioprocessing.

BIORESOURCE TECHNOLOGY (2022)

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Review Chemistry, Applied

Effects of hydrothermal pretreatment on the dissolution and structural evolution of hemicelluloses and lignin: A review

Dan Sun et al.

Summary: Hydrothermal pretreatment (HTP) is a green and cost-effective technology that can efficiently degrade lignocellulosic biomass by disrupting the stable structure of plant cell walls. This review focuses on the degradation mechanism of hemicelluloses and lignin during HTP and discusses strategies for inhibiting lignin recondensation.

CARBOHYDRATE POLYMERS (2022)

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Review Energy & Fuels

Hydrothermal liquefaction of biomass for bio-crude production: A review on feedstocks, chemical compositions, operating parameters, reaction kinetics, techno-economic study, and life cycle assessment

Ranjeet Kumar Mishra et al.

Summary: This review provides a comprehensive examination of the hydrothermal liquefaction (HTL) technology, focusing on feedstock processing, process parameters, product characteristics, techno-economic analysis, life cycle assessment, and potential commercialization opportunities.

FUEL (2022)

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Article Energy & Fuels

Pathways of lignocellulosic biomass deconstruction for biofuel and value-added products production

Shams Forruque Ahmed et al.

Summary: This paper addresses the gaps in the existing literature review works by comprehensively evaluating different pretreatment methods and applications of lignocellulosic biomass (LCB) and incorporating techno-economic considerations. The review finds that physical and chemical pretreatment methods, although effective, are highly dependent on energy and chemicals, producing waste and inhibitory compounds. Biological pretreatment can address these challenges but has longer incubation times. Integrated/coupling methods have gained popularity for improving chemical yield but come at a high cost of operation. Process integration and optimization are needed to make pretreatment processes more techno-economically feasible.

FUEL (2022)

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Article Agriculture, Multidisciplinary

Cell Wall Composition Impacts Structural Characteristics of the Stems and Thereby the Biomass Yield

Lopez-Malvar Ana et al.

Summary: This study evaluated agronomical and stem description traits in a subset of maize inbred lines and determined the influence of cell wall composition on these traits. The results showed that a high proportion of lignin subunit G and a low concentration of p-coumaric acid and lignin subunit S were beneficial for greater rind puncture resistance, taller plants, and higher biomass yield. Additionally, a higher proportion of subunit H was associated with longer internodes, while a lower total hemicellulose content was related to greater rind puncture resistance.

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY (2022)

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Review Engineering, Environmental

Waste biomass valorization for the production of biofuels and value-added products: A comprehensive review of thermochemical, biological and integrated processes

Jude A. Okolie et al.

Summary: Waste biomass can be converted to green fuels and value-added products through thermochemical and biological conversion processes. Integrating thermochemical and biological processes enhances resource utilization and promotes a circular economy. Thermochemical processes have limitations in high processing costs, while biological processes face challenges of low product yield and long processing time.

PROCESS SAFETY AND ENVIRONMENTAL PROTECTION (2022)

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Article Energy & Fuels

Hydrothermal carbonization of biomass: experimental study, energy balance, process simulation, design, and techno-economic analysis

Diakaridia Sangare et al.

Summary: This study conducted an energy balance and techno-economic analysis of the hydrothermal carbonization (HTC) of avocado stone (AS) to determine the feasibility of using hydrochar as a solid fuel. The simulation results showed that in specific operating conditions, the HTC process has high energy efficiency and economic viability. The hydrochar produced at 250 degrees C had a high heating value (HHV) of up to 25.81 MJ/kg.

BIOMASS CONVERSION AND BIOREFINERY (2022)

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Article Plant Sciences

Lignin p-Hydroxybenzoylation Is Negatively Correlated With Syringyl Units in Poplar

Yaseen Mottiar et al.

Summary: The occurrence of ester-linked p-hydroxybenzoate moieties in the lignin of poplar fibres is negatively correlated with syringyl units. This finding suggests alternative hypotheses on lignin acylation.

FRONTIERS IN PLANT SCIENCE (2022)

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Article Green & Sustainable Science & Technology

Use of Hydrochar Produced by Hydrothermal Carbonization of Lignocellulosic Biomass for Thermal Power Plants in Chile: A Techno-Economic and Environmental Study

Samuel Carrasco et al.

Summary: This study conducts a pre-feasibility analysis to evaluate the technical, economic, and environmental feasibility of using hydrochar as fuel or co-fuel in thermal power plants in Chile. The results indicate that substituting part of the coal with hydrochar can reduce emissions and ash generation while remaining economically profitable.

SUSTAINABILITY (2022)

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Article Environmental Sciences

Hydrothermal Carbonization: A Pilot-Scale Reactor Design for Bio-waste and Sludge Pre-treatment

L. Zaccariello et al.

Summary: The purpose of this paper is to illustrate the design basis of a pilot-scale reactor for converting putrescent and high-water content biowaste into a stabilized product using the Hydrothermal Carbonization process (HTC). The design process involved optimizing the process parameters in a bench-scale reactor and scaling up the reactor by 30 times. The new pilot-scale reactor, with a volume of 0.1 m(3), was designed and certified to operate at high temperature and pressure conditions. The process design focused on heat power, heating control, and reaction time, while the mechanical design focused on scalability, product extraction, and improving reliability and safety. The designed reactor was built, commissioned, and operated to validate the design criteria and hypotheses. The comparison between experimental results and design input confirmed the correctness of the design data but highlighted the need to enhance thermal efficiency.

WASTE AND BIOMASS VALORIZATION (2022)

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Article Biotechnology & Applied Microbiology

Bubble column bioreactor design and evaluation for bioethanol production using simultaneous saccharification and fermentation strategy from hydrothermally pretreated lignocellulosic biomass

K. D. Gonzalez-Gloria et al.

Summary: This study utilized hydrothermally pretreated wheat straw as a substrate, and achieved high ethanol yield through fermentation using robust yeast in a bubble column bioreactor.

BIOCHEMICAL ENGINEERING JOURNAL (2022)

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Article Biotechnology & Applied Microbiology

Sequential hydrothermal process for production of flavanones and sugars from orange peel: an economic assessment

Daniel Lachos-Perez et al.

Summary: The economic evaluation showed that the sequential hydrothermal process for flavanone and sugar production from orange peel decreased manufacturing costs and increased production significantly at an industrial scale. The main costs were utilities and raw materials, with low capital payback time and promising potential for industrial-scale production.

BIOFUELS BIOPRODUCTS & BIOREFINING-BIOFPR (2021)

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Article Agricultural Engineering

Effects of redox environment on hydrothermal pretreatment of lignocellulosic biomass under acidic conditions

Dimitrios Ilanidis et al.

Summary: The study demonstrates that the redox environment during acidic hydrothermal pretreatment can impact the separation efficiency and formation of inhibitory substances. Specifically, the addition of oxygen increases the severity of the treatment, leading to lower recoveries of solids and glucan, as well as the production of new microbial inhibitors.

BIORESOURCE TECHNOLOGY (2021)

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Article Agricultural Engineering

Comparison of dilute acid pretreatment of agave assisted by microwave versus ultrasound to enhance enzymatic hydrolysis

Leopoldo J. Rios-Gonzalez et al.

Summary: A comparison between microwave and ultrasound irradiations in the agave pretreatment showed that microwave-assisted pretreatment had higher hemicellulose removal and glucose yield, reducing process time and temperature compared to conventional heating.

BIORESOURCE TECHNOLOGY (2021)

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Article Agricultural Engineering

Subcritical water pretreatment for agave bagasse fractionation from tequila production and enzymatic susceptibility

Anusuiya Singh et al.

Summary: This study investigated the impact of subcritical water pretreatment on the chemical composition, biomass fractionation, and enzymatic hydrolysis of agave bagasse from various tequila production processes. The research identified optimal conditions for the pretreatment process, resulting in increased cellulose content in the solid phase. Enzymatic hydrolysis of the pretreated agave bagasse showed promising conversion yield, indicating its potential as a raw material in second-generation biorefineries.

BIORESOURCE TECHNOLOGY (2021)

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Review Agricultural Engineering

Hydrothermal liquefaction of lignocellulose for value-added products: Mechanism, parameter and production application

Ying-Hong Xu et al.

Summary: This review summarizes and discusses the reaction mechanism, main influence factors, and production application of hydrothermal liquefaction of lignocellulose. It focuses on the reaction mechanism of the structural components of lignocellulose and discusses in detail the influence factors. The limitations and prospects of hydrothermal liquefaction of lignocellulose are also pointed out.

BIORESOURCE TECHNOLOGY (2021)

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Article Agricultural Engineering

Techno-economic analysis of producing xylo-oligosaccharides and cellulose microfibers from lignocellulosic biomass

Kai Lan et al.

Summary: The study demonstrates that increasing biorefinery capacity can reduce the minimum selling price of XOS, while higher purity leads to higher minimum selling price. Producing high-value byproducts like cellulose microfiber from cellulose instead of combustion for energy recovery shows potential economic benefits.

BIORESOURCE TECHNOLOGY (2021)

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Review Agricultural Engineering

Hydrothermal pretreatment of lignocellulosic biomass for hemicellulose recovery

Thamarys Scapini et al.

Summary: This article discusses the importance of hydrothermal pretreatment techniques in hemicellulose recovery and explores their potential and challenges in applying them to lignocellulosic biomass.

BIORESOURCE TECHNOLOGY (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 Green & Sustainable Science & Technology

Recent advances and challenges of inter-disciplinary biomass valorization by integrating hydrothermal and biological techniques

Bing Song et al.

Summary: This paper provides an overview of the opportunities for biomass valorization through the combination of hydrothermal and biological techniques, reviews recent advances in treatment conditions and optimal performances, compares energy balance and economic feasibility of different integrated options, and concludes the challenges and perspectives for advancing complete biomass valorization using integrated hydrothermal and biological techniques.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2021)

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Review Green & Sustainable Science & Technology

Solar integrated hydrothermal processes: A review

Alejandro Ayala-Cortes et al.

Summary: Hydrothermal processes are attractive for transforming biomass mixtures with high water content, utilizing water's properties as a reaction medium. However, the main challenge lies in the high energy requirement for heating reactants, prompting the integration of renewable energy sources to reduce consumption.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2021)

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Article Agricultural Engineering

Techno-economic assessment of HTL integration to the Brazilian sugarcane industry: An evaluation of different scenarios

Raquel de Souza Deuber et al.

Summary: Hydrothermal liquefaction (HTL) is considered a promising technology in producing liquid biofuels, with Brazil's mature biomass chain and competitive sugarcane industry providing a good potential for large-scale deployment of HTL. Integration with sugarcane industry increases economic feasibility of HTL, with minimum fuel selling prices (MFSP) showing competitiveness with fossil fuels. Selection of liquefaction solvents, such as water, plays a crucial role in the economic viability of HTL technology.

INDUSTRIAL CROPS AND PRODUCTS (2021)

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Article Agricultural Engineering

Techno-economic assessment of subcritical water hydrolysis process for sugars production from brewer's spent grains

William Gustavo Sganzerla et al.

Summary: The study evaluated the techno-economic feasibility of producing sugars from brewer's spent grains using subcritical water hydrolysis reactor, showing that scaling up can reduce costs and using a separation system can improve sugar separation efficiency, which can be a promising approach in the biorefinery field.

INDUSTRIAL CROPS AND PRODUCTS (2021)

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Article Green & Sustainable Science & Technology

Techno-economic assessment of bioenergy and fertilizer production by anaerobic digestion of brewer's spent grains in a biorefinery concept

William Gustavo Sganzerla et al.

Summary: This study conducted a techno-economic assessment of bioenergy and fertilizer production from anaerobic digestion of brewer's spent grains (BSG), showing that it is profitable with a payback period of 3.76 years at a certain treatment capacity.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Biochemical Research Methods

Bioprocess intensification: Cases that (don't) work

Luuk A. M. van der Wielen et al.

Summary: The development of affordable and low carbon biobased manufacturing relies on strategies that reduce costs and emissions. This paper highlights the importance of minimizing operational expenditures in sustainable bio-economic development, and discusses the financial and climatic impacts of intensified and non-intensified biobased processes.

NEW BIOTECHNOLOGY (2021)

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Article Green & Sustainable Science & Technology

Challenges in cellulase bioprocess for biofuel applications

Reeta Rani Singhania et al.

Summary: The increasing population and industrialization have led to a higher demand for liquid fossil fuels, resulting in increased greenhouse gas emissions. Bioethanol, produced from lignocellulosic biomass through enzymes, is considered a potential alternative to fossil fuels. Cellulases have been identified as the limiting factor for bioethanol production, but advances in bioprocesses have significantly reduced their cost, making bioethanol production cost-effective.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2021)

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Article Green & Sustainable Science & Technology

Life cycle assessment of ethanol produced in a biorefinery from liquid hot water pretreated switchgrass

Valeria Larnaudie et al.

Summary: Life cycle assessments were conducted on fuel bioethanol produced in Uruguay from liquid hot water pretreated switchgrass for two scenarios: ethanol and electricity production, and a biorefinery producing various chemicals. Results showed that the biorefinery scenario had lower greenhouse gas emissions compared to fossil fuels and met GHG reduction requirements. Factors such as switchgrass composition, enzyme dosage, fermentation efficiency, and solids content significantly impacted environmental performance, with enzyme use being the most significant.

RENEWABLE ENERGY (2021)

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Article Biotechnology & Applied Microbiology

Lignocellulosic biomass as an optimistic feedstock for the production of biofuels as valuable energy source: Techno-economic analysis, Environmental Impact Analysis, Breakthrough and Perspectives

Preethi et al.

Summary: Lignocellulose biomass is a prevalent and economic substrate for biofuel production, but the presence of refractory components in biomass poses obstacles in enzymatic hydrolysis, which can be improved through advanced pretreatment technology. Suitable pretreatment enhances hydrolysis by converting polymeric substances into monomers, making biomass more accessible for enzymes and enhancing fermentation. Optimization of integrated pretreatment for biofuel production is necessary in terms of economic and environmental aspects to replace fossil fuels.

ENVIRONMENTAL TECHNOLOGY & INNOVATION (2021)

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Review Agricultural Engineering

Severity factor kinetic model as a strategic parameter of hydrothermal processing (steam explosion and liquid hot water) for biomass fractionation under biorefinery concept

Hector A. Ruiz et al.

Summary: Hydrothermal processes are effective in converting biomass to biofuels and high-value bioproducts, understanding the structural changes in hydrothermal fractionation is crucial for process improvement, and the severity factor is a key index for evaluating the relationship between biomass fractionation conditions and biorefinery operations.

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 Energy & Fuels

Hot Compressed Water Pretreatment and Surfactant Effect on Enzymatic Hydrolysis Using Agave Bagasse

Marcela Sofia Pino et al.

Summary: This study investigated the enhancement of enzymatic saccharification of hydrothermally pretreated agave bagasse using non-ionic surfactants, and found that the addition of PEG 400 as an additive led to the highest enhancement in the conversion yield of cellulose to glucose.

ENERGIES (2021)

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Review Biochemistry & Molecular Biology

Subcritical Water Extraction of Natural Products

Yan Cheng et al.

Summary: Subcritical water extraction (SBWE) utilizes high-temperature and high-pressure water to extract natural products, offering advantages in eco-friendliness, safe disposal, and tunable properties for selective extractions. Temperature optimization is key to efficiency, and different co-solvents can be used to enhance extraction of certain compounds.

MOLECULES (2021)

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Article Engineering, Chemical

Liquid Hot Water Pretreatment of Lignocellulosic Biomass at Lab and Pilot Scale

Jose M. (Chema) Jimenez-Gutierrez et al.

Summary: Liquid hot water pretreatment is a promising method for increasing biomass digestibility under moderate operational conditions without chemical additions. Pilot plant trials indicate scalability of this process, with successful upscaling and complete deacetylation of poplar biomass achieved.

PROCESSES (2021)

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Review Agricultural Engineering

Engineering aspects of hydrothermal pretreatment: From batch to continuous operation, scale-up and pilot reactor under biorefinery concept

Hector A. Ruiz 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

The boosting effect of recombinant hemicellulases on the enzymatic hydrolysis of steam-treated sugarcane bagasse

Lorena Cardoso Cintra et al.

ENZYME AND MICROBIAL TECHNOLOGY (2020)

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Review Biochemistry & Molecular Biology

Management of Fruit Industrial By-Products-A Case Study on Circular Economy Approach

Debora A. Campos et al.

MOLECULES (2020)

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Article Energy & Fuels

Developing Process Designs for Biorefineries-Definitions, Categories, and Unit Operations

Tanmay Chaturvedi et al.

ENERGIES (2020)

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Article Thermodynamics

Optimization of liquid hot water pretreatment on Hybrid Pennisetum anaerobic digestion and its effect on energy efficiency

Xihui Kang et al.

ENERGY CONVERSION AND MANAGEMENT (2020)

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Article Thermodynamics

Biomethane production using an integrated anaerobic digestion, gasification and CO2 biomethanation process in a real waste water treatment plant: A techno-economic assessment

Stavros Michailos et al.

ENERGY CONVERSION AND MANAGEMENT (2020)

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Article Engineering, Environmental

Bioethanol from corn stover - Integrated environmental impacts of alternative biotechnologies

Yan Zhao et al.

RESOURCES CONSERVATION AND RECYCLING (2020)

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Article Chemistry, Multidisciplinary

Lignin Monomers from beyond the Canonical Monolignol Biosynthetic Pathway: Another Brick in the Wall

Jose C. del Rio et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2020)

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Article Biotechnology & Applied Microbiology

Feruloyl Esterases for Biorefineries: Subfamily Classified Specificity for Natural Substrates

Emilie N. Underlin et al.

FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY (2020)

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Article Agriculture, Multidisciplinary

Improvement and Metabolomics-Based Analysis of D-Lactic Acid Production from Agro-Industrial Wastes by Lactobacillus delbrueckii Submitted to Adaptive Laboratory Evolution

Shaoxiong Liang et al.

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY (2020)

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Review Biochemistry & Molecular Biology

Redesigning plant cell walls for the biomass-based bioeconomy

Nicholas C. Carpita et al.

JOURNAL OF BIOLOGICAL CHEMISTRY (2020)

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Article Environmental Sciences

Municipal wastewater sludge as a renewable, cost-effective feedstock for transportation biofuels using hydrothermal liquefaction

Timothy E. Seiple et al.

JOURNAL OF ENVIRONMENTAL MANAGEMENT (2020)

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Review Biotechnology & Applied Microbiology

Enzymatic removal of inhibitory compounds from lignocellulosic hydrolysates for biomass to bioproducts applications

Robson Tramontina et al.

WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY (2020)

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Article Green & Sustainable Science & Technology

Techno-economic and life cycle assessment of an integrated hydrothermal carbonization system for sewage sludge

Enrique Medina-Martos et al.

JOURNAL OF CLEANER PRODUCTION (2020)

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Article Agricultural Engineering

Time domain NMR spectroscopy as a fast method for probing the efficiency of biomass pretreatments for second generation ethanol production

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BIOMASS & BIOENERGY (2020)

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Understanding laccase/HBT-catalyzed grass delignification at the molecular level

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GREEN CHEMISTRY (2020)

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Techno-Economic Assessment Guidelines for CO2 Utilization

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FRONTIERS IN ENERGY RESEARCH (2020)

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Life cycle assessment of ethanol production from miscanthus: A comparison of production pathways at two European sites

Jan Lask et al.

GLOBAL CHANGE BIOLOGY BIOENERGY (2019)

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Article Agricultural Engineering

Delignification overmatches hemicellulose removal for improving hydrolysis of wheat straw using the enzyme cocktail from Aspergillus niger

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BIORESOURCE TECHNOLOGY (2019)

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Article Chemistry, Physical

Subcritical water hydrolysis of brewer's spent grains: Selective production of hemicellulosic sugars (C-5 sugars)

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JOURNAL OF SUPERCRITICAL FLUIDS (2019)

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Enhancement and modeling of enzymatic hydrolysis on cellulose from agave bagasse hydrothermally pretreated in a horizontal bioreactor

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CARBOHYDRATE POLYMERS (2019)

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Review Biochemical Research Methods

Lignin biosynthesis and its integration into metabolism

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CURRENT OPINION IN BIOTECHNOLOGY (2019)

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Review Biochemical Research Methods

Lignin structure and its engineering

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CURRENT OPINION IN BIOTECHNOLOGY (2019)

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Bioethanol from corn stover - Global warming footprint of alternative biotechnologies

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APPLIED ENERGY (2019)

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Xylooligosaccharides production from lignocellulosic biomass using a pilot-scale pretreatment continuous tubular reactor. Modelling and experimental validation

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INDUSTRIAL CROPS AND PRODUCTS (2019)

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Economic Analysis of Cellulosic Ethanol Production from Sugarcane Bagasse Using a Sequential Deacetylation, Hot Water and Disk-Refining Pretreatment

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Sugar production from bioenergy sorghum by using pilot scale continuous hydrothermal pretreatment combined with disk refining

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BIORESOURCE TECHNOLOGY (2019)

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Structural Motifs of Wheat Straw Lignin Differ in Susceptibility to Degradation by the White-Rot Fungus Ceriporiopsis subvermispora

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Enhancing Lignocellulosic Biomass Hydrolysis by Hydrothermal Pretreatment, Extraction of Surface Lignin, Wet Milling and Production of Cellulolytic Enzymes

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Article Green & Sustainable Science & Technology

Economic value and environmental impact analysis of lignocellulosic ethanol production: assessment of different pretreatment processes

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CLEAN TECHNOLOGIES AND ENVIRONMENTAL POLICY (2019)

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NEW PHYTOLOGIST (2019)

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Lignin biosynthesis: old roads revisited and new roads explored

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OPEN BIOLOGY (2019)

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Pilot- scale hydrothermal pretreatment and optimized saccharification enables bisabolene production from multiple feedstocks

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GREEN CHEMISTRY (2019)

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Review Chemistry, Multidisciplinary

A critical review on the analysis of lignin carbohydrate bonds

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GREEN CHEMISTRY (2019)

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Process simulation and economic assessment of hydrothermal pretreatment and enzymatic hydrolysis of multi-feedstock lignocellulose - Separate vs combined processing

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Scale-up and evaluation of hydrothermal pretreatment in isothermal and non-isothermal regimen for bioethanol production using agave bagasse

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Physicochemical Characterization of Wheat Straw during a Continuous Pretreatment Process

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Process integration for producing tocotrienols-rich oil and bixin-rich extract from annatto seeds: A techno-economic approach

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The Green ChemisTREE: 20 years after taking root with the 12 principles

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GREEN CHEMISTRY (2018)

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Optimization of dilute acid pretreatment of Agave lechuguilla and ethanol production by co-fermentation with Escherichia coli MM160

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Estimating the environmental impacts of a brewery waste-based biorefinery: Bio-ethanol and xylooligosaccharides joint production case study

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Review Biochemistry & Molecular Biology

Lignins: Biosynthesis and Biological Functions in Plants

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INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES (2018)

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Techno-economic and life-cycle assessments of biorefineries based on palm empty fruit bunches in Brazil

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JOURNAL OF CLEANER PRODUCTION (2018)

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Editorial Material Plant Sciences

Monitoring Polysaccharide Dynamics in the Plant Cell Wall

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Direct evidence for α ether linkage between lignin and carbohydrates in wood cell walls

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Mass Flow Dynamic Modeling and Residence Time Control of a Continuous Tubular Reactor for Biomass Pretreatment

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ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2018)

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Enzymatic hydrolysis of biomass at high-solids loadings through fed-batch operation

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BIOMASS & BIOENERGY (2018)

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Probabilistic Lifecycle Assessment of Butanol Production from Corn Stover Using Different Pretreatment Methods

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ENVIRONMENTAL SCIENCE & TECHNOLOGY (2018)

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Review Biotechnology & Applied Microbiology

Strengths, challenges, and opportunities for hydrothermal pretreatment in lignocellulosic biorefineries

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Techno-economic assessment of the by-products contribution from non-catalytic hydrothermal liquefaction of lignocellulose residues

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ENERGY (2017)

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Article Engineering, Environmental

Life cycle assessment of lignocellulosic biomass pretreatment methods in biofuel production

Aashish Prasad et al.

INTERNATIONAL JOURNAL OF LIFE CYCLE ASSESSMENT (2016)

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Simultaneous saccharification and co-fermentation for improving the xylose utilization of steam exploded corn stover at high solid loading

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Article Thermodynamics

Biogas and bioethanol production from pinewood pre-treated with steam explosion and N-methylmorpholine-N-oxide (NMMO): A comparative life cycle assessment approach

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ENERGY (2016)

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Maize Tricin-Oligolignol Metabolites and Their Implications for Monocot Lignification

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The feasibility of short-term production strategies for renewable jet fuels - a comprehensive techno-economic comparison

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BIOFUELS BIOPRODUCTS & BIOREFINING-BIOFPR (2015)

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Comparative techno-economic assessment and LCA of selected integrated sugarcane-based biorefineries

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BIORESOURCE TECHNOLOGY (2015)

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Article Plant Sciences

Tricin, a Flavonoid Monomer in Monocot Lignification

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PLANT PHYSIOLOGY (2015)

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Techno-economic analysis of liquid fuel production from woody biomass via hydrothermal liquefaction (HTL) and upgrading

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APPLIED ENERGY (2014)

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An economic and environmental evaluation for bamboo-derived bioethanol

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RSC ADVANCES (2014)

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Review Green & Sustainable Science & Technology

Environmental sustainability of bioethanol production from wheat straw in the UK

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RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2013)

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Review Green & Sustainable Science & Technology

Hydrothermal processing, as an alternative for upgrading agriculture residues and marine biomass according to the biorefinery concept: A review

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Article Engineering, Environmental

Life cycle assessment of energy and GHG emissions during ethanol production from grass straws using various pretreatment processes

Deepak Kumar et al.

INTERNATIONAL JOURNAL OF LIFE CYCLE ASSESSMENT (2012)

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Milled Wood Lignin: A Linear Oligomer

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BIOMACROMOLECULES (2011)

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Review Agricultural Engineering

Hemicelluloses for fuel ethanol: A review

F. M. Girio et al.

BIORESOURCE TECHNOLOGY (2010)

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Article Engineering, Environmental

LCA of a biorefinery concept producing bioethanol, bioenergy, and chemicals from switchgrass

Francesco Cherubini et al.

INTERNATIONAL JOURNAL OF LIFE CYCLE ASSESSMENT (2010)

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Article Plant Sciences

Hydroxycinnamates in lignification

John Ralph

PHYTOCHEMISTRY REVIEWS (2010)

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Highly Acylated (Acetylated and/or p-Coumaroylated) Native Lignins from Diverse Herbaceous Plants

Jose C. del Rio et al.

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY (2008)

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Novel tetrahydrofuran structures derived from β-β-coupling reactions involving sinapyl acetate in Kenaf lignins

Fachuang Lu et al.

ORGANIC & BIOMOLECULAR CHEMISTRY (2008)

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Bonding of hydroxycinnamic acids to lignin:: ferulic and p-coumaric acids are predominantly linked at the benzyl position of lignin, not the β-position, in grass cell walls

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