PHOTOOXIDATION OF FORMIC-ACID BY OXYGEN IN THE PRESENCE OF TITANIUM-DIOXIDE AND DISSOLVED COPPER IONS - OXYGEN-TRANSFER AND REACTION-KINETICS

被引:45
作者
BIDEAU, M
CLAUDEL, B
FAURE, L
RACHIMOELLAH, M
机构
[1] Laboratoire de Cinitique et Ginie Chimiques, 404-INSA, F-69621 Vilfeurbanne, 20, Aue. A. Einstein
[2] Surabaya Institute of Technology, Department of Chemical Engineering, Surabaya
关键词
Formic acid; Photo-Oxidation; Titanium Dioxide;
D O I
10.1080/00986449008911444
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Photocatalytic activity of Ti02in the oxidation by oxygen of formic acid is considerably enhanced by the presence of dissolved copper ions. The role of oxygen transfer between the gas phase and the slurry is examined. The kinetic results obtained in the absence of mass transfer limitations lead to a mechanism based upon a redox cycle between Cuz+and Cu+species adsorbed on the surface of TiO,. © 1990, Taylor & Francis Group, LLC. All rights reserved.
引用
收藏
页码:167 / 179
页数:13
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