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Study of perovskite‐type oxides and their supported Ag derivatives for catalytic oxidation of diesel soot
Author(s) -
Liu Zhiming,
Hao Zhengping,
Zhang Huiping,
Zhuang Yahui
Publication year - 2002
Publication title -
journal of chemical technology and biotechnology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.64
H-Index - 117
eISSN - 1097-4660
pISSN - 0268-2575
DOI - 10.1002/jctb.639
Subject(s) - catalysis , soot , diesel exhaust , x ray photoelectron spectroscopy , perovskite (structure) , diesel fuel , adsorption , catalytic oxidation , materials science , inorganic chemistry , chemical engineering , chemistry , combustion , organic chemistry , engineering
A series of perovskite‐type oxides and derived Ag catalysts were prepared, and characterized by N 2 ‐adsorption, X‐ray diffraction and X‐ray photoelectron spectroscopy. The influences of pretreatment and Ag loading on catalytic activity for diesel soot oxidation were also investigated. Prereduction resulted in a decrease in catalytic activity. An increase in activity with Ag addition was observed, especially with more than 5% Ag loading. This catalyst could be a promising candidate for the catalytic elimination of diesel soot. © 2002 Society of Chemical Industry