Lignocellulosic biomass conversion via greener pretreatment methods towards biorefinery applications

Jeyaprakash Dharmaraja, Sutha Shobana, Sundaram Arvindnarayan, Rusal Raj Francis, Rajesh Banu Jeyakumar, Rijuta Ganesh Saratale, Veeramuthu Ashokkumar, Shashi Kant Bhatia, Vinod Kumar, Gopalakrishnan Kumar

Research output: Contribution to journalReview articlepeer-review

2 Citations (Scopus)


Lignocellulose biomass during pretreatment releases various compounds, among them the most important is reducing sugars, which can be utilized for the production of biofuels and some other products. Thereby, innovative greener pretreatment techniques for lignocellulosic materials have been considered to open a new door in the aspects of digestibility of the rigid carbohydrate–lignin matrix to reduce the particle size and remove hemicellulose/lignin contents to successfully yield valid bioproducts. This article reviews about the composition of lignocelluloses and emphasizes various green pretreatments viz novel green solvent–based IL and DES steam explosion, supercritical carbon dioxide explosion (Sc–CO2) and co–solvent enhanced lignocellulosic fractionation (CELF) along with suitable mechanistic pathway of LCB pretreatment process. Finally, this article concludes that the existing pretreatments should be redesigned to conquer the demands by large scale production and suggests combined pretreatment methods to carry out various biomass pre–processing.

Original languageEnglish
Article number128328
JournalBioresource technology
Publication statusPublished - 2023 Feb

Bibliographical note

Publisher Copyright:
© 2022 Elsevier Ltd

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal


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