EFFECT OF SUPPORT MATERIAL ON THE CATALYTIC COMBUSTION OF DIESEL SOOT PARTICULATES

被引:105
作者
VANDOORN, J
VARLOUD, J
MERIAUDEAU, P
PERRICHON, V
CHEVRIER, M
GAUTHIER, C
机构
[1] INST RECH CATALYSE,CNRS,2 AVE ALBERT EINSTEIN,F-69626 VILLEURBANNE,FRANCE
[2] REGIE NATL USINES RENAULT,F-92109 BOULOGNE,FRANCE
关键词
SOOT COMBUSTION; TOTAL OXIDATION;
D O I
10.1016/0926-3373(92)80037-Z
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
Several potential support materials were mixed with soot and subsequently the combustion temperature of the soot in 15% O2 was determined. Al2O3 and SiO2 showed no catalytic effect, TiO2 and ZrO2 lowered the soot combustion temperature with 80-90 K, whereas CeO2, La2O2CO3 and V2O5 (reference catalyst) showed a substantial activity for soot combustion. After poisoning with sulfur dioxide, the catalytic effect of CeO2 was strongly inhibited, whereas La2O2CO3 and V2O5 retained their high activity.
引用
收藏
页码:117 / 127
页数:11
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