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Appl Microbiol Biotechnol. 2009 Apr;82(5):815-27. doi: 10.1007/s00253-009-1883-1. Epub 2009 Feb 12.

Organosolv pretreatment of lignocellulosic biomass for enzymatic hydrolysis.

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Institute of Applied Chemistry, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China.


Production of ethanol by bioconversion of lignocellulosic biomass has attracted much interest in recent years. However, the pretreatment process for increasing the enzymatic digestibility of cellulose has become a key step in commercialized production of cellulosic ethanol. During the last decades, many pretreatment processes have been developed for decreasing the biomass recalcitrance, but only a few of them seem to be promising. From the point of view for integrated utilization of lignocellulosic biomass, organosolv pretreatment provides a pathway for biorefining of biomass. This review presents the progress of organosolv pretreatment of lignocellulosic biomass in recent decades, especially on alcohol, organic acid, organic peracid and acetone pretreatments, and corresponding action mechanisms. Evaluation and prospect of organosolv pretreatment were performed. Finally, some recommendations for future investigation of this pretreatment method were given.

[Indexed for MEDLINE]

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