Production of butanol from lignocellulosic biomass: recent advances, challenges, and prospects

Due to energy and environmental concerns, biobutanol is gaining increasing attention as an alternative renewable fuel owing to its desirable fuel properties. Biobutanol production from lignocellulosic biomass through acetone-butanol-ethanol (ABE) fermentation has gained much interest globally due to...

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Bibliographic Details
Published in:RSC advances 2022-06, Vol.12 (29), p.18848-18863
Main Authors: Guo, Yuan, Liu, Yi, Guan, Mingdong, Tang, Hongchi, Wang, Zilong, Lin, Lihua, Pang, Hao
Format: Article
Language:English
Subjects:
Biomass
Butanol
Chemistry
Ethanol
Fermentation
Fuels
Lignocellulose
Low concentrations
R&D
Research & development
Selectivity
Sugar
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Summary:Due to energy and environmental concerns, biobutanol is gaining increasing attention as an alternative renewable fuel owing to its desirable fuel properties. Biobutanol production from lignocellulosic biomass through acetone-butanol-ethanol (ABE) fermentation has gained much interest globally due to its sustainable supply and non-competitiveness with food, but large-scale fermentative production suffers from low product titres and poor selectivity. This review presents recent developments in lignocellulosic butanol production, including pretreatment and hydrolysis of hemicellulose and cellulose during ABE fermentation. Challenges are discussed, including low concentrations of fermentation sugars, inhibitors, detoxification, and carbon catabolite repression. Some key process improvements are also summarised to guide further research and development towards more profitable and commercially viable butanol fermentation. Due to energy and environmental concerns, biobutanol is gaining increasing attention as an alternative renewable fuel owing to its desirable fuel properties.
ISSN:2046-2069
2046-2069
DOI:10.1039/d1ra09396g