Regeneration of zncl.sub.2

B - Operations – Transporting – 01 – J

Patent

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196/111, 252/62

B01J 23/92 (2006.01) B01J 27/32 (2006.01) C10G 1/08 (2006.01) C10G 47/02 (2006.01)

Patent

CA 1182807

A method of hydrocracking using a zinc catalyst in the hydrogenation step comprising providing a hydrocarbonaceous feed of coal or tar to a hydrogenation means, removing spent zinc and catalyst from said hydrogenation means to a regene- ration means, heating said spent zinc catalyst in said regene- ration means, providing hydrogen chloride to said regeneration means, said spent zinc catalyst comprising ZnS, whereby ZnCl2 gas is formed, contacting at least a portion of said ZnCl2 with steam to form ZnO, conveying said ZnO and ZnCl2 to said hydrogenation means.

421267

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