Hydrogenation catalyst, process for preparing and process of...

Details Hydrogenation catalyst, process for preparing and process of... Hydrogenation catalyst, process for preparing and process of...

B - Operations, Transporting

01

J

B01J 23/84 (2006.01) B01J 23/06 (2006.01) B01J 23/16 (2006.01) B01J 23/847 (2006.01) B01J 23/85 (2006.01) B01J 23/86 (2006.01) B01J 23/889 (2006.01) B01J 35/10 (2006.01) B01J 37/03 (2006.01) C07C 29/136 (2006.01) C07C 29/141 (2006.01) C07C 29/145 (2006.01) C07C 29/149 (2006.01) C07C 31/125 (2006.01) C07C 33/025 (2006.01) C07C 51/36 (2006.01) C07D 307/44 (2006.01)

Patent

CA 2108033

Catalyst in powdered form comprising 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 amout of the oxide of a promoter emtal. The average particle diameter is from 6 to 20 microns and the particle surface area is from 20 to 70 m2/g. Process for preparing said catalyst which comprises the steps of : (A) 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, or (3) a third aqueous solution comprising a soluble salt of at least one second metal, (B) advancing at least a portion of the aqueous slurry from the first vessel to a second vessel; (C) recovering the solids from the second vessel; and (D) calcining the recovered solids. Catalysts of the invention are useful in both fixed bed and slurry phase reactions for hydrogenating aldehydes, ketones, carboxylic acids and carboxylic acid esters.

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