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

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Application of Response Surface Methodology for Optimization of Cellulose Solution by Zinc Chloride

https://doi.org/10.14233/ajchem.2013.13337
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
X.X. Qing
Key Laboratory of Three Gorges Reservoir Region Eco-environment of Ministry of Education,Chongqing University, 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
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

Corn stover is a largely feasible and cheap renewable resource with low commercial value. An attractive alternative is utilization of corn stover for chemical industry, medicine, biochemistry etc. However, the production costs are still too high to apply on commercialization. The objective of this study was to use the response surface methodology (RSM) to optimization of cellulose salvation by zinc chloride after the steam explosion and characterization and map changes during zinc chloride pretreatments of corn stover. The solution of cellulose had been pretreated with 87 % zinc chloride at 139 ºC for 49 min resulted in an optimum solubility of 76.2 %. Zinc chloride pretreatment apparently damaged the surface of cellulose and significantly decreased the crystalline region, as evidenced by SEM and XRD analysis data. FTIR analysis indicated that zinc chloride pretreatment could breakage the hydrogen bond of crystalline region of the cellulose. The zinc chloride after steam explosion technique, as a novel pretreatment method, decreased crystalline region of cellulose by changing structural features.

Keywords

Cellulose Response surface methodology Zinc chloride solution Solubility
Zeng, G., Wang, Y., Qing, X., Zhang, M., Xing, J., Ma, Y., & Xu, H. (2012). Application of Response Surface Methodology for Optimization of Cellulose Solution by Zinc Chloride. Asian Journal of Chemistry, 25(5), 2421–2426. https://doi.org/10.14233/ajchem.2013.13337
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