Development of RuO2/Rutile-TiO2 Catalyst for Industrial HCl Oxidation Process

被引：144
|
作者：
Seki, Kohei [1 ]
机构：
[1] Sumitomo Chem Co Ltd, Basic Chem Res Lab, Niihama 7928521, Japan
来源：
CATALYSIS SURVEYS FROM ASIA | 2010年 / 14卷 / 3-4期
关键词：
RuO2; catalyst; Chlorine recycle; Hydrogen chloride oxidation; Fixed-bed reactor; EXAFS; RuO2/TiO2; Rutile TiO2; DEACON PROCESS; EXAFS; RUO2;
D O I：
10.1007/s10563-010-9091-7
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：
Sumitomo Chemical has developed a low energy consuming and green process for the catalytic oxidation of HCl to Cl-2, especially when compared with the electrolysis process. The RuO2/rutile-TiO2 catalyst has high catalytic activity and thermal stability due to ultra-fine RuO2 crystallites that cover the surface of the TiO2 primary particles with strong interaction. In addition, the silica modified RuO2/rutile-TiO2 catalyst shows higher thermal stability by preventing the RuO2 sintering due to using dispersed SiO2 particles. With these catalysts, high reaction rates required for industrial applications are achieved, even at low temperatures.
引用
收藏
页码：168 / 175
页数：8
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