[특허]Process for preparing catalyst with copper or zinc and with chromium, molybdenum, tungsten, or vanadium, and product the

Process for preparing catalyst with copper or zinc and with chromium, molybdenum, tungsten, or vanadium, and product the 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01J-037/03 B01J-023/22 B01J-023/06 B01J-023/24
출원번호	US-0703923 (1991-05-22)
발명자 / 주소	Thakur Deepak S. (Solon OH) Palka Eugene (Parma OH) Sullivan Thomas J. (Strongsville OH) Nebesh Eugene (Parma OH) Roberts Brian D. (Cleveland Heights OH)
출원인 / 주소	Engelhard Corporation (Edison NJ 02)
인용정보	피인용 횟수 : 37 인용 특허 : 0

초록 ▼

This hydrogenation catalyst comprises a major amount of the oxides of a first metal selected from copper or zinc, a second metal selected from chromium, molybdenum, tungsten and vanadium, and optionally, a minor amount of the oxide of a promoter metal selected from the group consisting of manganese, barium, zinc, nickel, cobalt, cadmium, iron and any combination thereof provided that the promotor metal is not zinc if the first metal is zinc. The average particle diameter of the powder is from about 6 to about 20 microns; and the particle surface area is from about 20 to about 70 m2/g. The process for preparing this catalyst comprises the steps of (A) simultaneously and adding to a first vessel, (1) a first aqueous solution comprising a copper or zinc salt; (2) a second aqueous solution comprising a soluble base, provided that either the copper solution or the soluble base solution also contains a soluble salt of at least one second metal; or (3) a third aqueous solution comprising a soluble salt of at least one seocnd metal is added simultaneously to the first vessel whereby an aqueous slurry of insoluble solid is formed in the first vessel, provided further that the second metal is chromium, molybdenum, tungsten, or vanadium; (B) advancing at least a portion of the aqueous slurry from the first vessel to a second vessel; (C) recovering the solids from the aqueous slurry in the second vessel; and (D) calcining the recovered solids.

대표청구항 ▼

A process for preparing a catalyst comprising the oxides of copper or zinc and at least one additional metal which comprises the steps of (A) simultaneously and separately adding to a first vessel, (1) a first aqueous solution comprising a copper or zinc salt; and (2) a second aqueous solution comprising a soluble base, provided that either (i) the first or second solutions also contains a soluble salt of at least one second metal selected from chromium, molybdenum, tungsten or vanadium, or (ii) if the first or second solutions do not contain a soluble salt of at least one of the second metals, (3) a third aqueous solution comprising a soluble salt of at least one of said second metal is added simultaneously to the first vessel, whereby an aqueous slurry of an insoluble solid is formed in the first vessel; (B) advancing at least a portion of the aqueous slurry from the first vessel to a second vessel; (C) recovering the solids from the aqueous slurry in the second vessel; and (D) calcining the recovered solids wherein the average particle diameter of the calcined solids is from about 6 to about 20 microns; the particle surface area is from about 20 to about 70 m2/g; the pore volume of pores having diameters in the range up to 120 Åis from about 5 to about 45%, in the range of about 120 to about 350 Åis from about 40 to about 80%, and in the range of about 350 to about 1000 Åis from about 10 to about 40% of the total pore volume.

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