One-pot production of a liquid biofuel candidate-Ethyl levulinate from glucose and furfural residues using a combination of extremely low sulfuric acid and zeolite USY

被引：68
作者：
Chang, Chun [1 ,2 ]
Xu, Guizhuan [3 ]
Zhu, Weina [1 ]
Bai, Jing [1 ,2 ]
Fang, Shuqi [1 ,2 ]
机构：
[1] Zhengzhou Univ, Sch Chem Engn & Energy, Zhengzhou 450001, Peoples R China
[2] Engn Lab Henan Prov Biorefinery Technol & Equipme, Zhengzhou 450001, Peoples R China
[3] Henan Agr Univ, Coll Mech & Elect Engn, Zhengzhou 450002, Peoples R China
来源：
FUEL | 2015年 / 140卷
关键词：
Ethyl levulinate; Glucose; Furfural residues; Optimization; ETHANOL MEDIA; CONVERSION; CATALYSTS; BIODIESEL; FUELS;
D O I：
10.1016/j.fuel.2014.09.102
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Ethyl levulinate has been considered as a potential liquid biofuel candidate for the future. The conversion of glucose to ethyl levulinate in ethanol medium was firstly investigated in this study. Experimental results showed that the combination of extremely low sulfuric acid and zeolite USY can be used as an effective catalytic system for one-pot EL production from glucose. The ethyl levulinate yield of 51.47% from glucose can be obtained at 180 degrees C and 120 min in the mixed acid system comprising of 0.1% sulfuric acid and 2.0% USY. Furfural residues were further taken as substrates for ethyl levulinate production in the mixed acid system. Artificial neural network coupled with genetic algorithm was employed to optimize the process. The optimum conditions were reaction temperature 219 degrees C, USY loading 2.3%, mass ratio of liquid to solid 40 and reaction time 107 min. Under the optimum conditions, higher ethyl levulinate yield of 18.68% was obtained, representing a theoretical yield of 51.22%. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：365 / 370
页数：6
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