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특허 상세정보

Group VIII and VIB metal sulfide catalysts, their manufacture and their use for hydrotreating hydrocarbon cuts containin

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01J-027/051   
미국특허분류(USC) 502/220 ; 502/221 ; 502/313 ; 502/314
출원번호 US-0653643 (1984-09-24)
우선권정보 FR-0016944 (1983-10-25)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 50  인용 특허 : 0
초록

This invention concerns a method of preparing catalysts and certain catalysts which can be obtained by the method. The method comprises (a) coprecipitating at least a group VIII metal sulfide with at least a group VIB metal sulfide, at a pH maintained at a value of 4.5 to 8; (b) separating the resultant precipitate; (c) drying the precipitate; and (d) calcining the dried precipitate; all the steps being effected under an inert atmosphere. The catalysts have a stoichiometry of 1.2 to 2.2 atoms of sulfur per metal atom, a crystallographic structure of moly...

대표
청구항

A process for preparing a hydrotreatment catalyst comprising an intimate mixture of at least one group VI B metal sulfide and at least one group VIII metal sulfide characterized in that it comprises the following steps: (a) reacting, at a pH maintained at a value of 4.5 to 8, an aqueous solution of at least one soluble salt of at least one group VIII metal and at least one ammonium salt of a polyanion of at least one group VI B metal, with at least one water-soluble sulfiding agent, under conditions which form a coprecipitate of sulfides; (b) separating ...

이 특허를 인용한 특허 피인용횟수: 50

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