Abstract: The catalytic hydrotreatment of a mixture comprising a resid and a light cycle oil is carried out in a multiple catalyst bed in which the portion of the catalyst bed with which the feedstock is first contacted contains a catalyst which comprises of alumina, cobalt and molybdenum and the second portion of the catalyst bed through which the feedstock is passed after passing through the first portion contains a catalyst comprising alumina to which molybdenum and nickel have been added.
Type:
Grant
Filed:
April 24, 1985
Date of Patent:
October 28, 1986
Assignee:
Phillips Petroleum Company
Inventors:
John W. Myers, Stephen L. Parrott, Edward L. Sughrue
Abstract: Olefins are converted into other olefins having different numbers of carbon atoms by contact with a catalyst comprising a silica support containing molybdenum oxide and a promoting amount of a least one titaniferous agent and activated under conditions suitable for the titaniferous agent to promote the activity of molybdenum oxide and silica for the disproportionation and isomerization reaction.