ArticleBiotechnology for biofuels2019
Sequential fractionation of the lignocellulosic components in hardwood based on steam explosion and hydrotropic extraction.
Article in Biotechnology for biofuels, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Harnessing plant lignin for sustainable materials and chemicals: integrating biosynthesis, structural diversity, and circular bioeconomy perspectives.Frontiers in plant science · 2026Review
- Enhancing Biohydrogen Yields: A Comparative Study of Individual and Combined Biomass Pretreatment Techniques.Applied biochemistry and biotechnology · 2025Article
- Enzymatic cleavage of model lignin dimers depends on pH, enzyme, and bond type.Scientific reports · 2025Article
- Evaluation of biotechnological processing through solid-state fermentation of oilseed cakes on extracts bioactive potential.Biotechnology letters · 2023Article
- Cellulosic Ethanol Production Using Waste Wheat Stillage after Microwave-Assisted Hydrotropic Pretreatment.Molecules (Basel, Switzerland) · 2022Article
- Delignification efficiency of various types of biomass using microwave-assisted hydrotropic pretreatment.Scientific reports · 2022Article
- Oxidase enzymes as sustainable oxidation catalysts.Royal Society open science · 2022Review
- Organosolv pretreatment assisted by carbocation scavenger to mitigate surface barrier effect of lignin for improving biomass saccharification and utilization.Biotechnology for biofuels · 2021Article
- Microwave-Assisted Urea-Based-Hydrotropic Pretreatment of Rice Straw: Experimental Data and Mechanistic Kinetic Models.ACS omega · 2021Article
- Microwave-assisted hydrotropic pretreatment as a new and highly efficient way to cellulosic ethanol production from maize distillery stillage.Applied microbiology and biotechnology · 2021Article
- Elucidation of Changes in Cellulose Ultrastructure and Accessibility in Hardwood Fractionation Processes with Carbohydrate Binding Modules.ACS sustainable chemistry & engineering · 2020Article
- Pretreatment for biorefineries: a review of common methods for efficient utilisation of lignocellulosic materials.Biotechnology for biofuels · 2019Review
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5 authors.
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Abstract
backgroundThe forest biorefinery plays an important part in the evolving circular bioeconomy due to its capacity to produce a portfolio of bio-based and sustainable fuels, chemicals, and materials. To tap into its true potential, more efficient and environmentally benign methods are needed to fractionate woody biomass into its main components (cellulose, hemicellulose, and lignin) without reducing their potential for valorization. This work presents a sequential fractionation method for hardwood based on steam pretreatment (STEX) and hydrotropic extraction (HEX) with sodium xylene sulfonate. By prehydrolyzing the hemicellulose (STEX) and subsequently extract the lignin from the cellulose fraction (HEX), the major wood components can be recovered in separate process streams and be further valorized.
resultsUsing autocatalyzed STEX and HEX, hemicellulose (> 70%) and lignin (~ 50%) were successfully fractionated and recovered in separate liquid streams and cellulose preserved (99%) and enriched (~ twofold) in the retained solids. Investigation of pretreatment conditions during HEX showed only incremental effects of temperature (150-190 °C) and hold-up time (2-8 h) variations on the fractionation efficiency. The hydrolyzability of the cellulose-rich solids was analyzed and showed higher cellulose conversion when treated with the combined process (47%) than with HEX alone (29%), but was inferior to STEX alone (75%). Protein adsorption and surface structure analysis suggested decreased accessibility due to the collapse of the fibrillose cellulose structure and an increasingly hydrophobic lignin as potential reasons.
conclusionThis work shows the potential of sequential STEX and HEX to fractionate and isolate cellulose, hemicellulose, and a sulfur-free lignin in separate product streams, in an efficient, sustainable, and scalable process.
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