Patent Number: 6,251,262

Title: Process for hydrodesulfurization of diesel gas oil

Abstract: Diesel gas oil feedstock with 1-3 wt % sulfur can be hydrodesulfurized to a diesel gas oil with 0.05 wt % or less sulfur and a Saybolt color of +20 or higher, by defining a hydrogenation region in a fixed bed reactor with a first hydrogenation zone for dibenzothiophene, 1-, 2- and 3-methyldibenzothiophenes, a second hydrogenation zone for 4-methyldibenzothiophene and 4,6-dimethyldibenzothiophene and a third hydrogenation zone for thiols, sulfides and other sulfur-containing substances.

Inventors: Hatanaka; Shigeto (Yokohama, JP), Sadakane; Osamu (Tokyo, JP), Iki; Hideshi (Yokohama, JP)

Assignee: Nippon Mitsubishi Oil Corporation

International Classification: C10G 65/04 (20060101); C10G 65/00 (20060101); C10G 065/04 (); C10G 045/04 ()

Expiration Date: 06/26/2018