Catalyst for exhaust gas purification and system for exhaust gas

Details Catalyst for exhaust gas purification and system for exhaust gas Catalyst for exhaust gas purification and system for exhaust gas

1997-12-05

2000-10-31

Tran, Hien

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422171, 422177, 502325, 502328, 502330, B01D 5334, B01D 5392, F01N 320

Patent

active

06139808&

ABSTRACT:
A catalyst for exhaust gas purification is capable of purifying the hydrocarbons, nitrogen oxides and carbon monoxide present in the exhaust gas discharged from an internal combustion engine. The catalyst has a carrier and a catalyst layer containing at least one kind of noble metal, Ba and Cs, formed on the carrier. This catalyst for exhaust gas purification is improved in hydrocarbon purification ability for a low-temperature fuel-rich exhaust gas (such as exhaust gas emitted during cold start) of automobile.

REFERENCES:
patent: 5051392 (1991-09-01), Mabilon et al.
patent: 5296198 (1994-03-01), Abe et al.
Derwent Accession No. 94-045140, Questel Telesystems (WPIL); Derwent Publications Ltd., London: & JP 6-378 A (Nissan Motor).

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