Catalytic ketonization of acetic acid on Zn/Al layered double hydroxides

被引：32
|
作者：
Das, J [1 ]
Parida, K [1 ]
机构：
[1] Reg Res Lab, CSIR, Bhubaneswar 751013, Orissa, India
来源：
REACTION KINETICS AND CATALYSIS LETTERS | 2000年 / 69卷 / 02期
关键词：
Zn/Al LDHs; ketonization; acetic acid; yield;
D O I：
10.1023/A:1005627228083
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：
Zn/Al Layered double hydroxides (LDHs) with various Zn:Al ratios were prepared, characterized by chemical analysis, PXRD, IR, thermal analysis, nitrogen adsorption-desorption and basic sites. The catalytic activity of samples calcified at 450 degrees C for the ketonization of acetic acid was studied in a fixed bed catalytic reactor (10 mm id) with an on-line gas chromatograph. Amongst all, the sample With Zn:Al ratio 3:1 showed the highest surface area (103.5 m(2)/g) and yield of acetone (>89%) with high selectivity.
引用
收藏
页码：223 / 229
页数：7
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