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Vol. 27 No. 1 (2015): Vol 27 Issue 1

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Kinetics of Acetic Acid Pretreatment Catalyzed by Fe(NO3)3 of Corn Stover

https://doi.org/10.14233/ajchem.2015.16851
Xiaoyan Yu
Institute of Mining Technology, Liaoning Technical University, Hulu Dao 125105, P.R. China
Jun Qi
School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, P.R. China
Shuting Zhang
School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, P.R. China
Xuebin Lu
School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, P.R. China

Corresponding Author(s) : Xiaoyan Yu

yxy198208@tju.edu.cn

Asian Journal of Chemistry, Vol. 27 No. 1 (2015): Vol 27 Issue 1

Abstract

Corn stover was treated with acetic acid in presence of Fe(NO3)3 as catalyst to enhance its sugar yields in the hydrolysis. Kinetics of acetic acid pretreatment catalyzed by Fe(NO3)3 was investigated in order to verify the feasibility of the catalytic reaction. The results showed that Fe(NO3)3 could effectively improve the hydrolysis rate of hemicelluloses and cellulose. Ferric nitrate not only greatly increase the rate of xylose and glucose formed (k1), but also decrease the degradation rate of the sugar formed (k2). When pretreatment catalyzed by Fe(NO3)3, selectivity coefficient S value, that is the ratio of hydrolysis rate k1 to degradation rate k2, are more than 1 and it increases gradually with the increase of acetic acid concentration.

Keywords

Corn stover Acetic acid Fe(NO3)3 Kinetics
Yu, X., Qi, J., Zhang, S., & Lu, X. (2014). Kinetics of Acetic Acid Pretreatment Catalyzed by Fe(NO3)3 of Corn Stover. Asian Journal of Chemistry, 27(1), 185–188. https://doi.org/10.14233/ajchem.2015.16851
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