Optimization of crotonaldehyde oxidation catalysts using response surface methodology

被引：8
|
作者：
Tang, Jihai [1 ]
Qiao, Xu [1 ]
Cui, Mifen [1 ]
Ying, Yi [1 ]
Chen, Xian [1 ]
Wen, Congke [1 ]
机构：
[1] Nanjing Technol Univ, Coll Chem & Chem Engn, Nanjing 210009, Peoples R China
来源：
CHEMICAL ENGINEERING & TECHNOLOGY | 2008年 / 31卷 / 03期
关键词：
activated carbon; catalysts; modeling; oxidation; response surface methodology;
D O I：
10.1002/ceat.200700382
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Crotonic acid was produced by oxidation of crotonaldehyde over molybdophosphoric acid supported on activated carbon. The full 2(3) central composite design was performed and aimed at optimizing oxidation catalysts to maximize the yield of crotonic acid. Response surface methodology was applied to obtain a second-order polynomial model and to generate the optimum conditions, with a loading of molybdophosphoric acid of 0.25, mass ratio of catalyst to crotonaldehyde of 0.025 and mass ratio of vanadium pentoxide to molybdophosphoric acid of 0.08. The crotonic acid yield was 66.7% under these conditions. Three experiments were conducted using the same optimum conditions, and therefore, good agreement was observed between the experimental data and the predicted values obtained from the model, by comparison
引用
收藏
页码：404 / 408
页数：5
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