Activated red mud-supported Zn/Al oxide catalysts for catalytic conversion of glycerol to glycerol carbonate: FTIR analysis

被引：19

作者：

Huy Nguyen-Phu ^{[1
]}

Park, Chan-yi ^{[1
]}

Shin, EunWoo ^{[1
]}

机构：

[1] Univ Ulsan, Sch Chem Engn, 93 Daehak Ro, Ulsan 44610, South Korea

来源：

CATALYSIS COMMUNICATIONS | 2016年 / 85卷

关键词：

Red mud; Zinc aluminum mixed oxide; Glycerol carbonate; Glycerolysis; Lewis acid-base site; BIODIESEL PRODUCTION; UREA; TRANSESTERIFICATION; RECOMMENDATIONS; SYSTEMS; ENERGY;

D O I：

10.1016/j.catcom.2016.07.012

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Catalytic conversion to glycerol carbonate (GC) from glycerol and urea was investigated with Zn/Al oxide catalysts supported by activated red mud (ARM), a waste material. Compared to an unsupported catalyst, ARM-supported Zn/Al oxide catalysts exhibited higher GC yields. ARM-supported Zn/Al oxide catalysts showed a volcano curve for the GC yield as a function, of the Zn/Al loading. FTIR analysis revealed the ARM-supported Zn/Al oxide catalysts to be more selective, resulting in higher GC yield. The balance of active sites from ARM and Zn/Al oxide was related to rates of each reaction step in GC synthesis, which eventually influenced on the selectivity and yield of GC. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：52 / 56

页数：5

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