The performance of Ba in total oxidation of chlorinated hydrocarbons over La-Ba-Ni-mixed oxide catalysts

被引：6
作者：
Liang, Chen-Wei [2 ]
Ku, Chien-Kuo [2 ]
Chen, Yung-Chih [1 ]
Liang, Jeng-Jong [1 ]
机构：
[1] Feng Chia Univ, Dept Environm Engn & Sci, Taichung 40724, Taiwan
[2] Taipei Municipal Univ Educ, Dept Nat Sci, Taipei, Taiwan
来源：
CATALYSIS COMMUNICATIONS | 2012年 / 17卷
关键词：
Total oxidation; Chlorinated hydrocarbons; Perovskite-type oxides; By-products; ZEOLITE CATALYSTS; DESTRUCTION; COMBUSTION; TOLUENE; C-2;
D O I：
10.1016/j.catcom.2011.09.029
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：
This study examined the catalytic behavior of La-Ba-Ni catalysts regarding the total oxidation of five CVOCs. The experimental results demonstrate that La-Ba-Ni catalysts are superior in suitability for the total oxidation of CVOCs. More than one Ba(3d(5/2)), La(3d(5/2)), and Ni(2p(1/2)) peaks appeared in each XPS spectrum due to a chemical shift to a higher binding energy. Since the electropositivity of Ba is higher than that of Ni, chloride is transferred from the Ni-site to the Ba-site with ease, thereby enhancing activity. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：43 / 48
页数：6
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