Catalyst activation process

Details Catalyst activation process Catalyst activation process

B - Operations, Transporting

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252/1, 252/68

B01J 29/10 (2006.01) B01J 23/94 (2006.01) B01J 29/20 (2006.01) B01J 35/10 (2006.01) B01J 37/16 (2006.01) B01J 21/08 (2006.01) B01J 23/755 (2006.01)

Patent

CA 1080685

ABSTRACT OF DISCLOSURE The invention relates to a process for activating catalysts, preferably a massive nickel catalyst, comprising copper, nickel and silica and being characterized as having a nickel surface area of from 50 to 100 m2/g and a total surface area of from 150 to 300 m2/g, comprising the steps of (1) reducing said composite at a temperature and for a time sufficient to yield a partially activated catalyst composite, (2) contacting said partially activated catalyst composite with a feed which undergoes exothermic exothermic reaction in the presence of said partially activated catalyst composite which include a temperature greater than step (1), whereby the temperature at the catalyst surface exceeds the temperature of the catalyst bed and continuing said contacting for a time sufficient to convert said partially activated catalyst composite to a high activity catalyst composite.

269936

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