Kinetics of Glucose Ethanolysis Catalyzed by Extremely Low Sulfuric Acid in Ethanol Medium

朱伟娜; 常春; 马晨; 杜风光

doi:10.1016/S1004-9541(14)60049-5

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Kinetics of Glucose Ethanolysis Catalyzed by Extremely Low Sulfuric Acid in Ethanol Medium

研究简报 | Updated：2026-01-06

- Kinetics of Glucose Ethanolysis Catalyzed by Extremely Low Sulfuric Acid in Ethanol Medium
- Chinese Journal of Chemical Engineering Vol. 22, Issue 2, Pages: 238-2421004-954160049-5(2014)
- Affiliations：
  
  1. 2 Shanghai Jiao Tong University Library, Shanghai Jiao Tong University,Shanghai,China,200240
  2. 3 State Key Laboratory of Motor Vehicle Biofuel Technology,Nanyang,China,473000
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(14)60049-5
  CLC：
- Published：2014
- Accepted：
Scan QR Code
ZHU Weina, CHANG Chun, MA Chen, DU Fengguang. Kinetics of Glucose Ethanolysis Catalyzed by Extremely Low Sulfuric Acid in Ethanol Medium[J]. Chin.J.Chem.Eng., 2014, 22(2): 238-242.
DOI：

ZHU Weina, CHANG Chun, MA Chen, DU Fengguang. Kinetics of Glucose Ethanolysis Catalyzed by Extremely Low Sulfuric Acid in Ethanol Medium[J]. Chin.J.Chem.Eng., 2014, 22(2): 238-242. DOI： 10.1016/S1004-9541(14)60049-5.

摘要

Abstract

The kinetics for production of ethyl levulinate from glucose in ethanol medium was investigated. The experiments were performed in various temperatures (433-473 K) and initial glucose concentrations (0.056-0.168 mol·L

-1

) with extremely low sulfuric acid as the catalyst. The results show that higher temperature can improve the conversion of glucose to ethyl levulinate

with higher yield of ethyl levulinate (44.79%

by mole) obtained at 473 K for 210 min. The kinetics follows a simplified first-order kinetic model. For the main and side reactions

the values of activation energy are 122.64 and 70.97 kJ·mol

-1

and the reaction orders are 0.985 and 0.998

respectively.

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