Inventors:
Clyde W. Zielke - McMurray PA
William A. Rosenhoover - Pittsburgh PA
Assignee:
Conoco Inc. - Wilmington DE
International Classification:
C10G 106
C01B 900
B01J 2732
B01J 3512
Abstract:
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 regeneration means, heating said spent zinc catalyst in said regeneration means, providing hydrogen chloride to said regeneration means, said spent zinc catalyst comprising ZnS, whereby ZnCl. sub. 2 gas is formed, contacting at least a portion of said ZnCl. sub. 2 with steam to form ZnO, conveying said ZnO and ZnCL. sub. 2 to said hydrogenation means.