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특허 상세정보

Process for the reduction of the ignition temperature of diesel soot

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01J-008/02    B01D-053/36   
미국특허분류(USC) 423/2135 ; 55/96 ; 55/523 ; 55/DIG ; 30
출원번호 US-0039138 (1987-04-16)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 42  인용 특허 : 0
초록

This invention relates to a process for reducing the ignition temperature of diesel soot. The process comprises contacting a hot exhaust from a diesel engine, which exhaust contains diesel soot, with a catalytic composite. The composite comprises a particulate filter coated with a sulfur resistant refractory inorganic oxide selected from the group consisting of titania, zirconia, silica, silica-alumina and alumina which has been treated to be sulfur resistant, i.e. alumina treated with titania, zirconia, tungsten oxide, etc. This coated ceramic trap has ...

대표
청구항

A process for reducing the ignition temperature of diesel soot in an exhaust gas from an internal combustion diesel engine comprising contacting said exhaust with a catalytical composite consisting essentially of a particulate filter having deposited thereon at least one sulfur resistant refractory inorganic oxide selected from the group consisting of titania, zirconia, alumina treated with titania, and alumina treated with zirconia, having deposited thereon at least one catalytic metal selected from the group consisting of Pt, Pd and Rh.

이 특허를 인용한 특허 피인용횟수: 42

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