Journal
CATALYSIS COMMUNICATIONS
Volume 54, Issue -, Pages 114-117Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2014.05.018
Keywords
Chlorobenzene; Catalytic combustion; Modified LaMnO3; Perovskite
Categories
Funding
- National Basic Research Program of China [2010CB732300]
- National Natural Science Foundation of China [21277047]
- Commission of Science and Technology of Shanghai Municipality [11JC1402900]
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Modified LaMnO3 catalysts with perovskite structure prepared by co-precipitation method were tested in catalytic combustion of chlorobenzene. Characterizations show that the substitutions of different elements for Mn and La species affect significantly surface active oxygen species, H-2 consumption and the ratio of surface oxygen to lattice oxygen of LaMnO3 catalysts. TOFSA of LaMnO3 catalysts is almost proportional to oxygen mobility. LSMO catalyst (substituted by Sr for La) with the largest oxygen mobility presents the highest stable activity which is ascribed to quickly remove the Cl species adsorbed on the surface of catalysts. (C) 2014 Published by Elsevier B.V.
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