Complex effect of lignocellulosic biomass pretreatment with 1-butyl-3-methylimidazolium chloride ionic liquid on various aspects of ethanol and fumaric acid production by immobilized cells within SSF

被引：40

作者：

Dotsenko, Anna S. ^{[1
]}

Dotsenko, Gleb S. ^{[2
,3
]}

Senko, Olga V. ^{[2
]}

Stepanov, Nikolay A. ^{[2
]}

Lyagin, Ilya V. ^{[2
]}

Efremenko, Elena N. ^{[2
]}

Gusakov, Alexander V. ^{[1
,2
]}

Zorov, Ivan N. ^{[1
,2
]}

Rubtsova, Ekaterina A. ^{[1
]}

机构：

[1] Russian Acad Sci, Fed Res Ctr Fundamentals Biotechnol, Moscow 119071, Russia

[2] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119991, Russia

[3] Swedish Univ Agr Sci, Dept Mol Sci, POB 7015, SE-75007 Uppsala, Sweden

来源：

BIORESOURCE TECHNOLOGY | 2018年 / 250卷

关键词：

Imidazolium-based ionic liquid [Bmim]Cl; Pretreatment of biomass; Simultaneous enzymatic saccharification and microbial fermentation (SSF); Immobilized cells; Cryogel of polyvinyl alcohol; SACCHAROMYCES-CEREVISIAE; ASPERGILLUS SP; IMIDAZOLIUM; CELLULASE; TOXICITY; FERMENTATION; DISSOLUTION; ADAPTATION; TOLERANT; STRAIN;

D O I：

10.1016/j.biortech.2017.11.064

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The pretreatment of softwood and hardwood samples (spruce and hornbeam wood) with 1-butyl-3-methylimidazolium chloride ([Bmim] Cl) was undertaken for further simultaneous enzymatic saccharification of renewable non-food lignocellulosic biomass and microbial fermentation of obtained sugars to ethanol and fumaric acid. A multienzyme cocktail based on cellulases and yeast or fungus cells producing ethanol and fumaric acid were the main objects of [Bmim] Cl influence studies. A complex effect of lignocellulosic biomass pretreatment with [Bmim] Cl on various aspects of the process (both action of cellulases and microbial conversion of hydrolysates to target products) was revealed. Positive effects of the pretreatment with [Bmim] Cl included decreasing the lignin content in the biomass, and increasing the effectiveness of enzymatic hydrolysis and microbial transformation of pretreated biomass. Immobilized cells of both yeasts and fungi possessed improved productive characteristics in the biotransformation of biomass pretreated with [Bmim] Cl to ethanol and fumaric acid.

引用

页码：429 / 438

页数：10

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