Solid-Acid-Catalyzed Etherification of Glycerol to Potential Fuel Additives

被引：23

作者：

Magar, Subhash ^{[1
,2
,3
]}

Kamble, Sumit ^{[3
]}

Mohanraj, Govindraj Thangaraj ^{[2
]}

Jana, Sumit Kumar ^{[2
]}

Rode, Chandrashekhar ^{[3
]}

机构：

[1] PREC, Chem Engn Dept, Loni 413736, India

[2] BIT, Dept Chem Engn, Mesra 835215, India

[3] CSIR, NCL, Chem Engn & Proc Dev Div, Pune 41008, Maharashtra, India

来源：

ENERGY & FUELS | 2017年 / 31卷 / 11期

关键词：

TERT-BUTYL ALCOHOL; MONTMORILLONITE; ISOBUTYLENE;

D O I：

10.1021/acs.energyfuels.7b02213

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：

Various acidic clay catalysts have been explored for the glycerol and tert-butyl alcohol (TBA) reaction. Complete conversion of glycerol could be achieved over a montmorillonite KSF/O (mont-KSF/O) clay catalyst to form a product mixture containing mono-, di-, and tri-tert-butyl glycerol ethers. The different variables, such as the reaction time, reaction temperature, catalyst loading, and molar ratio of glycerol/TBA, were investigated in detail. X-ray diffraction, thermogravimetric analysis, temperature-programmed desorption of ammonia (NH3-TPD), and Brunauer-Emmett-Teller surface area measurements were performed for characterization of the evaluated catalyst. NH3-TPD revealed that mont-KSF/O possessed the highest acidity, leading to the highest activity for etherification of glycerol. mont-KSF/O could be successfully recycled several times without losing its activity.

引用

页码：12272 / 12277

页数：6

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