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특허 상세정보

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Dispersed group VIB metal sulfide catalyst promoted with Group VIII metal

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01J-027/047    B01J-027/051   
미국특허분류(USC) 502/220 ; 502/221
출원번호 US-0767760 (1985-08-21)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 66  인용 특허 : 6
초록
▼

A process for the preparation of a dispersed Group VIB metal sulfide catalyst which is promoted with a Group VIII metal for use in hydrocarbon oil hydroprocessing comprising dissolving a Group VIB metal compound, such as molybdenum oxide or tungsten oxide, with ammonia to form a water soluble compound such as aqueous ammonium molybdate or ammonium tungstate. The aqueous ammonium molybdate or ammonium tungstate is sulfided in a plurality of sulfiding steps at increasing temperatures. A compound containing a Group VIII metal is added to any sulfiding step ...

대표
청구항
▼

A process for preparing a dispersed Group VIB metal sulfide catalyst promoted with a Group VIII metal for hydrocarbon oil hydroprocessing comprising sulfiding an aqueous dispersion of a thiosubstituted ammonium salt of Group VIB metal in the presence of a Group VIII metal compound, wherein said sulfiding occurs in a plurality of distinct sulfiding steps at progressively increasing temperatures including relatively low and relatively high temperature steps, wherein said relatively low temperature is below about 350°F. and said relatively high temperature ...

이 특허에 인용된 특허 (6)

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