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Vol. 25 No. 5 (2013): Vol 25 Issue 5

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Comparison of Steam Explosion and Ferric Chloride Solution Pretreatment of Corn Stover: Composition Content, Structural and Enzymatic Hydrolysis

https://doi.org/10.14233/ajchem.2013.13337A
G.M. Zeng
Key Laboratory of Biorheological Science and Technology for Ministry of Education and Center of Bioinspired Materials Science and Engineering of National "985 Project Program", College of Bioengineering, Chongqing University-Sha Zheng Street, Chongqing, P.R. China
Y.L. Wang
Key Laboratory of Biorheological Science and Technology for Ministry of Education and Center of Bioinspired Materials Science and Engineering of National "985 Project Program", College of Bioengineering, Chongqing University-Sha Zheng Street, Chongqing, P.R. China
M.L. Zhang
Key Laboratory of Biorheological Science and Technology for Ministry of Education and Center of Bioinspired Materials Science and Engineering of National "985 Project Program", College of Bioengineering, Chongqing University-Sha Zheng Street, Chongqing, P.R. China
Y.X. Zheng
Key Laboratory of Biorheological Science and Technology for Ministry of Education and Center of Bioinspired Materials Science and Engineering of National "985 Project Program", College of Bioengineering, Chongqing University-Sha Zheng Street, Chongqing, P.R. China
J. Xing
Key Laboratory of Biorheological Science and Technology for Ministry of Education and Center of Bioinspired Materials Science and Engineering of National "985 Project Program", College of Bioengineering, Chongqing University-Sha Zheng Street, Chongqing, P.R. China
Y.F. Ma
Key Laboratory of Biorheological Science and Technology for Ministry of Education and Center of Bioinspired Materials Science and Engineering of National "985 Project Program", College of Bioengineering, Chongqing University-Sha Zheng Street, Chongqing, P.R. China
H.J. Xu
Key Laboratory of Biorheological Science and Technology for Ministry of Education and Center of Bioinspired Materials Science and Engineering of National "985 Project Program", College of Bioengineering, Chongqing University-Sha Zheng Street, Chongqing, P.R. China

Corresponding Author(s) : Y.L. Wang

zeng373064894@126.com

Asian Journal of Chemistry, Vol. 25 No. 5 (2013): Vol 25 Issue 5

Abstract

The efficiency of two lignocellulose pretreatment technologies, steam explosion and ferric chloride solution pretreatment, are compared in terms of composition, structural and enzymatic efficiency with corn stover. Ferric chloride solution pretreatment could easily remove almost all of the hemicelluloses and gain high enzymatic hydrolysis compared with steam explosion, but they both have no effect on delignification and reduced cellulose crystalline. Pretreated material was investigated by X-ray diffraction, scanning electron microscopy and Fourier transform infrared spectroscopy. These results suggested that ferric chloride solution pretreatment may own huge advantages compared to the steam explosion pretreatment process for corn stover. However, the recovery of the ferric chloride solution should also be paid more attention.

Keywords

Pretreatment Steam explosion Ferric chlori desolution Comparison Hemicelluloses
Zeng, G., Wang, Y., Zhang, M., Zheng, Y., Xing, J., Ma, Y., & Xu, H. (2012). Comparison of Steam Explosion and Ferric Chloride Solution Pretreatment of Corn Stover: Composition Content, Structural and Enzymatic Hydrolysis. Asian Journal of Chemistry, 25(5), 2427–2430. https://doi.org/10.14233/ajchem.2013.13337A
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