Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Patent
1995-12-26
1997-07-22
Caldarola, Glenn
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
502313, 502314, 502325, 502327, 502332, 502333, 502334, 502335, 502336, 502514, B01J 3700, B01J 2356
Patent
active
056503717
ABSTRACT:
A continuous impregnation process for the preparation of a heterogeneous catalyst. A catalytic metal, or metals, is composited with a porous solids support component via the steps of: (i) forming a slurry of porous, particulate solids dispersed in an organic, or hydrocarbon solvent, preferably all organic, or hydrocarbon solvent which forms an azeotrope with water, (ii) adding, in aqueous solution, preferably continuously, one or more of a salt, acid, or compound of the catalytic metal, or metals, which is insoluble in the organic, or hydrocarbon solvent to which it is added; the aqueous solution contacting the porous, particulate support solids wicking into the pores to disperse the salt, acid or compound of the catalytic metal, or metals, therein, (iii) stirring, preferably vigorously and continuously, the slurry containing the porous, particulate solids, water, and salt, acid, or compound of the catalytic metal, or metals, and (iv) distilling at a temperature sufficient to vaporize and remove the water from the support component, and slurry, to leave the catalytic metal, or metals, component deposited within the pores of the support component of the catalyst. The catalyst is next recovered, and calcined.
Bullock In Suk
Caldarola Glenn
Exxon Research and Engineering Company
Proctor Llewellyn A.
Simon Jay
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