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Published in: Cellulose 3/2024

14-01-2024 | Original Research

Pretreatment of corn stover using aqueous quaternary ammonium salt solutions for improved enzymatic saccharification

Authors: Yuan Zhu, Liyi Zhang, Benkun Qi, Jianquan Luo, Yinhua Wan

Published in: Cellulose | Issue 3/2024

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Abstract

Acidified aqueous solutions of different quaternary ammonium salts were tested for pretreating corn stover compared to control solutions, including single acidic solution and acidified NaCl and NH4Cl solutions. The results revealed that quaternary ammonium salt solutions were more effective in delignification and cellulose saccharification than the control solutions. The chemical structure of these salts significantly influenced the pretreatment efficacy. Notably, benzyltrimethylammonium chloride (BTMAC), a cost-effective option, exhibited remarkable capabilities. It achieved approximately 90% xylan removal, 86% lignin removal, and a 48-h enzymatic glucose yield of up to 93%. The BTMAC solution proved to be recycled for at least four runs while maintaining satisfactory performance. This work contributes valuable insights into the promising potential of standalone QAS solutions, offering a viable and cost-effective option for biomass pretreatment.

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Appendix
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Literature
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Metadata
Title
Pretreatment of corn stover using aqueous quaternary ammonium salt solutions for improved enzymatic saccharification
Authors
Yuan Zhu
Liyi Zhang
Benkun Qi
Jianquan Luo
Yinhua Wan
Publication date
14-01-2024
Publisher
Springer Netherlands
Published in
Cellulose / Issue 3/2024
Print ISSN: 0969-0239
Electronic ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-023-05710-x

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