Hydroconversion multi-metallic catalysts and method for making thereof (Chevron)

CATEGORY: HYDROCONVERSION
Hydroconversion multi-metallic catalysts and method for making thereof (Chevron)

Type	Patent
Inventor	Jinyi Han
Inventor	Alexander E. Kuperman
URL	Free Full Text Source:  http://www.google.com/patents/US9266098
Assignee	Chevron U.S.A. Inc.
Patent Number	US9266098 B2
Issue Date	Feb 23, 2016
Abstract	The invention relates to a self-supported mixed metal sulfide (MMS) catalyst for hydrotreating hydrocarbon feedstock and to a method for preparing the catalyst. The MMS catalyst is characterized as having a multi-phased structure comprising five phases: a molybdenum sulfide phase, a tungsten sulfide phase, a molybdenum tungsten sulfide phase, an active nickel phase, and a nickel sulfide phase.