Patent ID: 7384542

Claim:
An integrated process for the production of low sulfur diesel and high octane naphtha which process comprises: a) reacting a distillate hydrocarbon feedstock having a boiling range greater than about 149° C. (300° F.) and a make-up hydrogen rich gaseous stream in a hydrodesulfurization reaction zone containing desulfurization catalyst to produce a hydrodesulfurization reaction zone effluent stream containing hydrocarbons having a reduced concentration of sulfur; b) reacting a highly aromatic, substantially dealkylated hydrocarbon feedstock in a hydrocracking zone containing hydrocracking catalyst to produce a hydrocracking zone effluent stream comprising monocyclic aromatic compounds boiling in the naphtha range; c) admixing the hydrodesulfurization zone effluent stream and the hydrocracking zone effluent stream to provide a resulting admixture stream; and d) separating the resulting admixture from step c) to produce a hydrogen-rich gaseous stream, a low sulfur diesel stream and a high octane naphtha stream.