NOx Storage-Reduction Three-Way Catalyst with Improved Sulfur Tolerance View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2001-09

AUTHORS

Hirohito Hirata, Ichiro Hachisuka, Yasuo Ikeda, Shinji Tsuji, Shin'ichi Matsumoto

ABSTRACT

The NOx storage-reduction catalyst (NSR catalyst) is poisoned by SO2 caused by fuel sulfur, thus its activity is reduced. In order to improve the NSR catalyst, the sulfur poisoning phenomenon has been analyzed. Based on this result, we developed TiO2 and Rh/ZrO2 to promote the sulfur desorption. The developed catalyst has made remarkable progress in its sulfur tolerance, about 50% improvement in NOx purification performance compared with the conventional one. More... »

PAGES

145-149

Identifiers

URI

http://scigraph.springernature.com/pub.10.1023/a:1016603502952

DOI

http://dx.doi.org/10.1023/a:1016603502952

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1010267254


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