Catalytic oxidation of trichloroethylene over TiO2 supported ruthenium catalysts

被引：34
作者：
Wang, Jian [1 ,2 ]
Liu, Xiaolong [1 ]
Zeng, Junlin [1 ,3 ]
Zhu, Tingyu [1 ]
机构：
[1] Chinese Acad Sci, Beijing Res Ctr Proc Pollut Control, Natl Engn Lab Hydromet Cleaner Prod Technol, Inst Proc Engn, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Guizhou Univ, Sch Chem & Chem Engn, Guiyang 550025, Guizhou, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2016年 / 76卷
基金：
中国国家自然科学基金;
关键词：
Ruthenium; Ru/TiO2; Catalytic oxidation; Trichloroethylene; Support effect; CO OXIDATION; CHLORINATED VOCS; ATOMIC-SCALE; SURFACE; COMBUSTION; KINETICS; CHLOROBENZENE; MECHANISM; RUO2(100); TOLUENE;
D O I：
10.1016/j.catcom.2015.12.015
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：
Different types of TiO2 (anatase, P25 and rutile) supported ruthenium catalysts were synthesized by wet impregnation and directly reduced in H-2. The distribution characteristics of ruthenium species were thoroughly studied before and after trichloroethylene oxidation. The results show that ruthenium oxide species are very unstable in the anatase phase, but quite stable in the rutile phase of TiO2. This phenomenon results in different catalytic behaviors for the Ru/TiO2 catalysts. The Ru/TiO2 (P25) catalyst has the best catalytic performance among these catalysts. The complete conversion temperature of trichloroethylene is in the temperature range of 260-270 degrees C. (C) 2015 Elsevier B.V. All rights reserved.
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收藏
页码：13 / 18
页数：6
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