Effect of Mo loading on transesterification activities of MoO3/γ-Al2O3 catalysts prepared by conventional and slurry impregnation methods

被引：3
|
作者：
Gong, JL
Ma, XB [1 ]
Yang, X
Wang, SP
Wen, SD
机构：
[1] Tianjin Univ, Sch Chem Engn & Technol, Key Lab Green Chem Technol, Tianjin 300072, Peoples R China
[2] Chengde Petr Coll, Chengde 067000, Peoples R China
来源：
REACTION KINETICS AND CATALYSIS LETTERS | 2005年 / 84卷 / 01期
关键词：
diphenyl carbonate; diphenyl oxalate; methyl phenyl oxalate transesterification; MoO3/gamma-Al2O3; catalysts; slurry impregnation;
D O I：
10.1007/s11144-005-0193-6
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：
The effect of Mo loadings and preparation methods, slurry and conventional impregnation, on the performances of alumina-supported MoO3 catalysts in transesterification of dimethyl oxalate (DMO) with phenol was investigated. Slurry prepared MoO3/gamma-Al2O3 catalyst exhibited higher activity and dispersion capacity than conventional one. Slurry MoO3/water was used instead of an ammonium heptamolybdate solution. Highly dispersed amorphous Mo catalysts were obtained, closely related to the catalytic activities without calcination, waste solutions, and calcining nitrogenous gases.
引用
收藏
页码：79 / 86
页数：8
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