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

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Thermal Degradation and Structural Characteristics of Corn Stover After Ferric Chloride Solution Pretreatment

https://doi.org/10.14233/ajchem.2013.13337B
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

Thermal properties of the corn stover cellulose and these ingredients were examined by thermogravimetric analysis under dynamic conditions from ambient to 800 ºC, in order to predict the thermal behaviour of the corn stover cellulose after ferric chloride solution pretreatment. Thermogravimetric analyses were performed at heating rates of 10, 20 and 30 ºC/min-1 in nitrogen atmospheres. The parameters of the reaction kinetics were calculated following the Ozawa-Flynn-Wall (OFW) method and compared with untreated corn stover. Using non-isothermal conditions, average value of the reaction activation energy was determined to and 153.77 and 141.88 KJ/mol for the untreated and treated corn stover. Structure of corn stover was heavily damaged by ferric chloride solution pretreatment compared with untreated corn stover, as characterized by X-ray diffraction and scanning electron microscopy. Fourier transform infrared analysis indicated that ferric chloride solution pretreatment could easily remove the hemicelluloses.

Keywords

Ferric chloride solution pretreatment Cellulose Thermogravimetric Structural
Zeng, G., Wang, Y., Zhang, M., Zheng, Y., Xing, J., Ma, Y., & Xu, H. (2012). Thermal Degradation and Structural Characteristics of Corn Stover After Ferric Chloride Solution Pretreatment. Asian Journal of Chemistry, 25(5), 2431–2434. https://doi.org/10.14233/ajchem.2013.13337B
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