The green hydrolysis technology of hemicellulose in corncob by the repeated use of hydrolysate

doi:10.1016/j.cjche.2017.07.012

Chinese Journal of Chemical Engineering ›› 2018, Vol. 26 ›› Issue (1): 191-195.DOI: 10.1016/j.cjche.2017.07.012

• Biotechnology and Bioengineering • 上一篇下一篇

The green hydrolysis technology of hemicellulose in corncob by the repeated use of hydrolysate

Lei Guo, Yangdong Hu, Lianying Wu, Chen Liang, Weitao Zhang

College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China

收稿日期:2017-03-21 修回日期:2017-07-15 出版日期:2018-01-28 发布日期:2018-03-01
通讯作者: Yangdong Hu,E-mail address:ydhuhd@ouc.edu.cn
基金资助:
Supported by the National Natural Science Foundation of China (21376231).

The green hydrolysis technology of hemicellulose in corncob by the repeated use of hydrolysate

Lei Guo, Yangdong Hu, Lianying Wu, Chen Liang, Weitao Zhang

College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China

Received:2017-03-21 Revised:2017-07-15 Online:2018-01-28 Published:2018-03-01
Contact: Yangdong Hu,E-mail address:ydhuhd@ouc.edu.cn
Supported by:
Supported by the National Natural Science Foundation of China (21376231).

摘要/Abstract

摘要： To achieve green hydrolysis technology of hemicellulose through repeated using hydrolysate, the hydrolysis of hemicellulose in corncob was studied. The influence of repeated use of corncob hydrolysate on concentrations of D-xylose and L-arabinose was investigated. The loss rates of D-xylose in the prepared D-xylose solutions both with and without corncob, and repeated using corncob hydrolysate under identical acidity condition were discussed. The result shows that D-xylose concentration and L-arabinose concentration are all gradually increasing with the growing time of repeated use of corncob hydrolysate. After the fifth repetition, the concentrations of D-xylose and L-arabinose are 196.7 g·L^-1 and 22.0 g·L^-1, respectively. Substance inhibiting the degradation of D-xylose is generated during repeated use of corncob hydrolysate, and the production is further proved by the change of D-xylose concentration and the loss rate of D-xylose over heating time.

关键词: D-xylose, Repeatedly-using hydrolysate, Acidolysis, Water-saving, Acid-saving

Abstract: To achieve green hydrolysis technology of hemicellulose through repeated using hydrolysate, the hydrolysis of hemicellulose in corncob was studied. The influence of repeated use of corncob hydrolysate on concentrations of D-xylose and L-arabinose was investigated. The loss rates of D-xylose in the prepared D-xylose solutions both with and without corncob, and repeated using corncob hydrolysate under identical acidity condition were discussed. The result shows that D-xylose concentration and L-arabinose concentration are all gradually increasing with the growing time of repeated use of corncob hydrolysate. After the fifth repetition, the concentrations of D-xylose and L-arabinose are 196.7 g·L^-1 and 22.0 g·L^-1, respectively. Substance inhibiting the degradation of D-xylose is generated during repeated use of corncob hydrolysate, and the production is further proved by the change of D-xylose concentration and the loss rate of D-xylose over heating time.

Key words: D-xylose, Repeatedly-using hydrolysate, Acidolysis, Water-saving, Acid-saving

Lei Guo, Yangdong Hu, Lianying Wu, Chen Liang, Weitao Zhang. The green hydrolysis technology of hemicellulose in corncob by the repeated use of hydrolysate[J]. Chinese Journal of Chemical Engineering, 2018, 26(1): 191-195.

Lei Guo, Yangdong Hu, Lianying Wu, Chen Liang, Weitao Zhang. The green hydrolysis technology of hemicellulose in corncob by the repeated use of hydrolysate[J]. Chin.J.Chem.Eng., 2018, 26(1): 191-195.

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The green hydrolysis technology of hemicellulose in corncob by the repeated use of hydrolysate

The green hydrolysis technology of hemicellulose in corncob by the repeated use of hydrolysate

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[1]	Lei Guo, Lianying Wu, Weitao Zhang, Chen Liang, Yangdong Hu. Experimental measurement and thermodynamic modeling of binary and ternary solid-liquid phase equilibrium for the systems formed by L-arabinose, D-xylose and water[J]. , 2017, 25(10): 1467-1472.
[2]	Lei Guo, Lianying Wu, Weitao Zhang, Chen Liang, Yangdong Hu. Experimental measurement and thermodynamic modeling of binary and ternary solid-liquid phase equilibrium for the systems formed by L-arabinose, D-xylose and water[J]. , 2017, 25(10): 1467-1472.
[3]	李涛, 陈飞雄, 江振西, 任保增. Determination and Correlation of Solubility for D-Xylose in Volatile Fatty Acid Solvents[J]. Chinese Journal of Chemical Engineering, 2014, 22(4): 429-434.