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특허 상세정보

Process for sorption of hazardous waste products from exhaust gas streams

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C01C-003/00    B01D-047/00    C01B-007/00    B01J-008/00   
미국특허분류(USC) 423/237; 423/210; 423/240.R; 423/245.1
출원번호 US-0937243 (1992-08-28)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Hultquist, Steven J.
인용정보 피인용 횟수 : 78  인용 특허 : 9
초록

A method for cleaning an exhaust gas containing ammonia and at least one silicon-containing compound selected from the group consisting of silane and chlorosilanes, which comprises contacting the exhaust gas with a scavenger comprising a metal salt which forms tight complexes with ammonia. This ammine-forming metal salt may be immobilized on a porous solid support. Suitable ammine-forming metal salts include the sulfates, nitrates, chlorides, bromides, iodides, and hydroxides of copper, cobalt, iron, and nickel. Suitable supports include materials which ...

대표
청구항

1. A dry scrubbing method for cleaning a gas mixture containing ammonia and least one silicon-containing gaseous component selected from the group consisting of silane and chlorosilanes, wherein the ratio R of the concentration of ammonia to the concentration of said at least one silicon-containing gaseous component in said gas mixture, is governed by the relationship: ##EQU##1<R≤14, to yield treated gas having a reduced content of ammonia and said silicon-containing gaseous component, which comprises contacting the exhaust gas for sufficient time an...

이 특허를 인용한 특허 피인용횟수: 78

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