Microwave-assisted alkali pre-treatment medium for fractionation of rice straw and catalytic conversion to value-added 5-hydroxymethyl furfural and lignin production

Article Energy & Fuels

Microwave-assisted acid pretreatment for enhancing enzymatic saccharification of sugarcane trash

Euis Hermiati et al.

Summary: This study investigated the effects of different acids on the pretreatment of sugarcane trash and achieved high yield of reducing sugars from recalcitrant biomass through MW-assisted maleic acid pretreatment.

BIOMASS CONVERSION AND BIOREFINERY (2022)

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Article Multidisciplinary Sciences

Carbohydrate-aromatic interface and molecular architecture of lignocellulose

Alex Kirui et al.

Summary: In this study, the assembly of lignocellulosic components in plant stems and the interactions between polysaccharides and the aromatic polymer lignin are investigated using solid-state NMR spectroscopy. The research shows that the extent of glycan-aromatic association varies in different types of plant stems, and lignin primarily interacts with xylan through non-covalent interactions and partially binds to the junction of xylan and cellulose surface. The unique feature of homogeneous mixing of all molecules in softwoods enables better water retention. These findings provide insights into the principles of polymer interactions underlying the heterogeneous architecture of lignocellulose, which can guide the rational design of more digestible plants and more efficient biomass-conversion pathways.

NATURE COMMUNICATIONS (2022)

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Article Environmental Sciences

Prospects of utilizing seawater as a reaction medium for pretreatment and saccharification of rice straw

Binita Dev et al.

Summary: The transition towards a bio-based economy has led to an increasing demand for fresh water, making biofuel a high water footprint product. The depletion of fresh water resources has worsened the situation and requires the exploration of non-potable water for biorefinery purposes. In this study, seawater is used as an alternative reaction medium for pretreatment and saccharification of rice straw. The optimized pretreatment conditions were determined using Response Surface Methodology based on Box-Behnken Design, resulting in high cellulose release and reducing sugar yield. Physico-chemical studies confirmed the efficacy of the pretreatment by showing delignification and changes in surface morphology of the biomass. This finding suggests the potential of utilizing abundantly available seawater as a reaction medium for sustainable biofuel production.

CHEMOSPHERE (2022)

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Article Agricultural Engineering

Understanding the impact of different pretreatment methods on the conversion of Casuarina equisetifolia biomass to 5-hydroxymethylfurfural and their energy cost assessment

Devi Sri Rajendran et al.

Summary: This study compared the efficiencies of different strategies for saccharification of Casuarina equisetifolia biomass and the synthesis of 5-hydroxymethylfurfural from the sugars obtained. Alkali and acid treatments were found to be more efficient in converting biomass to sugar syrup, while microwave and ultrasound treatments had lower efficiencies. Alkali treatment was selected as the best method for sugar dehydration, resulting in a 21.9% yield of 5-hydroxymethylfurfural.

INDUSTRIAL CROPS AND PRODUCTS (2022)

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Article Biotechnology & Applied Microbiology

Strategies involved in biofuel production from agro-based lignocellulose biomass

Manswama Boro et al.

Summary: The production of biofuels from agriculturally produced lignocellulose biomass has the potential to be environmentally friendly and economically viable, but it requires the use of appropriate cost-effective and efficient technologies. Recent research has provided insights into various strategies for biofuel production and analyzed the impact of biofuel production.

ENVIRONMENTAL TECHNOLOGY & INNOVATION (2022)

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Review Agricultural Engineering

A review on the role of pretreatment technologies in the hydrolysis of lignocellulosic biomass of corn stover

Muhammad Farooq Saleem Khan et al.

Summary: Corn stover, as a renewable lignocellulosic biomass, has great potential for biofuel production, but suitable pretreatment methods are needed to increase fermentable sugar yields.

BIOMASS & BIOENERGY (2021)

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Article Chemistry, Multidisciplinary

Characterization and Valorization of Humins Produced by HMF Degradation in Ionic Liquids: A Valuable Carbonaceous Material for Antimony Removal

Amir Al Ghatta et al.

Summary: Research has shown that processing biomass in ionic liquids can maximize the production of 5-hydroxymethylfurfural, but the low stability of HMF at high temperatures leads to the formation of humins through side reactions. By gaining a better understanding of humin formation and their potential application in metal extraction, humins show promise as effective adsorbents for water purification.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

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Article Agricultural Engineering

Facilitating enzymatic hydrolysis with a novel guaiacol-based deep eutectic solvent pretreatment

Chen Huang et al.

Summary: The study shows that the addition of trace AlCl3 during the enzymatic degradation process using DES can significantly enhance the degradation of hemicellulose and lignin, improving the enzymatic digestibility of pretreated plant fibers. Alkali washing is a feasible method to remove the precipitated lignin after degradation, which can significantly increase the enzymatic hydrolysis efficiency of the materials.

BIORESOURCE TECHNOLOGY (2021)

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Article Acoustics

Multimode-ultrasound and microwave assisted natural ternary deep eutectic solvent sequential pretreatments for corn straw biomass deconstruction under mild conditions

Dong Yan et al.

Summary: This study successfully deconstructed corn straw using sequential multimode-ultrasound and microwave assisted NATDES pretreatment, leading to significant improvements in lignin removal and cellulose content. The research also confirmed the effectiveness of the method through the study of micro-structural changes.

ULTRASONICS SONOCHEMISTRY (2021)

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Article Biotechnology & Applied Microbiology

Acidogenic biorefinery of rice straw for volatile fatty acids production via sequential two-stage fermentation: Effects of pre-treatments

Mohamed Eraky et al.

Summary: The study investigated the physical and chemical effects of hydrothermal, acid and alkali pretreatment methods on rice straw for VFAs production. Different pretreatment methods had varying effects on the surface area and pore structure of the rice straw. Furthermore, under specific temperature conditions, VFAs production was significantly enhanced with the use of 1% Ca(OH)(2) pretreatment.

ENVIRONMENTAL TECHNOLOGY & INNOVATION (2021)

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Article Biochemistry & Molecular Biology

Fractionation and characterization of lignin from waste rice straw: Biomass surface chemical composition analysis

Shubhangi De et al.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2020)

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An innovative method of recycling metals in printed circuit board (PCB) using solutions from PCB production

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JOURNAL OF HAZARDOUS MATERIALS (2020)

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Article Environmental Sciences

Optimization of Microwave-Assisted Oxalic Acid Pretreatment of Oil Palm Empty Fruit Bunch for Production of Fermentable Sugars

Sita Heris Anita et al.

WASTE AND BIOMASS VALORIZATION (2020)

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Article Engineering, Environmental

A comparative study on the chemo-enzymatic upgrading of renewable biomass to 5-Hydroxymethylfurfural

Kongkona Saikia et al.

JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION (2020)

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Article Engineering, Environmental

Sequential fractionation and characterization of lignin and cellulose fiber from waste rice bran

Varun Arun et al.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2020)

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Article Chemistry, Multidisciplinary

Choline chloride-based deep eutectic solvents for efficient delignification ofBambusa bambosin bio-refinery applications

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CHEMICAL PAPERS (2020)

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Effects of fossil fuel and total anthropogenic emission removal on public health and climate

J. Lelieveld et al.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2019)

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Microwave assisted acid hydrolysis for bioethanol fuel production from sago pith waste

Saravana Kannan Thangavelu et al.

WASTE MANAGEMENT (2019)

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Article Chemistry, Applied

Valorization of royal palm tree agroindustrial waste by isolating cellulose nanocrystals

Eduardo Hafemann et al.

CARBOHYDRATE POLYMERS (2019)

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Article Agricultural Engineering

Process optimization and mass balance studies of pilot scale steam explosion pretreatment of rice straw for higher sugar release

Surbhi Semwal et al.

BIOMASS & BIOENERGY (2019)

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Article Energy & Fuels

Synergetic pretreatment of algal biomass through H2O2 induced microwave in acidic condition for biohydrogen production

M. Dinesh Kumar et al.

FUEL (2019)

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Article Biotechnology & Applied Microbiology

Effect of paddy straw burning on soil microbial dynamics in sandy loam soil of Indo-Gangetic plains

Ajay Kumar et al.

ENVIRONMENTAL TECHNOLOGY & INNOVATION (2019)

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Article Multidisciplinary Sciences

Lignin-polysaccharide interactions in plant secondary cell walls revealed by solid-state NMR

Xue Kang et al.

NATURE COMMUNICATIONS (2019)

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Article Thermodynamics

Mechanical fragmentation of wheat and rice straw at different scales: Energy requirement in relation to microstructure properties and enzymatic hydrolysis

Guanya Ji et al.

ENERGY CONVERSION AND MANAGEMENT (2018)

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Article Chemistry, Physical

Optimization of sugar recovery efficiency using microwave assisted alkaline pretreatment of cassava stem using response surface methodology and its structural characterization

A. Kamalini et al.

JOURNAL OF MOLECULAR LIQUIDS (2018)

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Article Forestry

The surface chemical constituent analysis of poplar fibrosis veneers during heat treatment

Yanan Wei et al.

JOURNAL OF WOOD SCIENCE (2018)

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Optimal extraction, sequential fractionation and structural characterization of soda lignin

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RESEARCH ON CHEMICAL INTERMEDIATES (2018)

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Release of simple sugars from lignocellulosic biomass of Agave salmiana leaves subject to sequential pretreatment and enzymatic saccharification

Magdiel Lainez et al.

BIOMASS & BIOENERGY (2018)

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Review Biochemistry & Molecular Biology

5-Hydroxymethylfurfural (HMF) Production from Real Biomasses

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MOLECULES (2018)

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Physical Pretreatment Methods for Improving Microalgae Anaerobic Biodegradability

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APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY (2018)

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Development of a steam or microwave-assisted sequential salt-alkali pretreatment for lignocellulosic waste: Effect on delignification and enzymatic hydrolysis

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Microwave assisted alkaline pretreatment to enhance enzymatic saccharification of catalpa sawdust

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Mechanical fragmentation of corncob at different plant scales: Impact and mechanism on microstructure features and enzymatic hydrolysis

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Production of xylo-sugars from corncob by oxalic acid-assisted ball milling and microwave-induced hydrothermal treatments

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Conversion of highly concentrated fructose into 5-hydroxymethylfurfural by acid-base bifunctional HPA nanocatalysts induced by choline chloride

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RSC ADVANCES (2014)

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Article Agricultural Engineering

Effects of inorganic salts on pretreatment of Miscanthus straw

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BIORESOURCE TECHNOLOGY (2013)

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Microwave-assisted alkali pre-treatment medium for fractionation of rice straw and catalytic conversion to value-added 5-hydroxymethyl furfural and lignin production

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