MULTIPLE STAGE HYDRODESULFURIZATION PROCESS WITH EXTENDED DOWNSTREAM CATALYST LIFE

MULTIPLE STAGE HYDRODESULFURIZATION PROCESS WITH EXTENDED DOWNSTREAM CATALYST LIFE Abatract of the Disclosure A multiple stage process for hydrodesulfurizing a residual oil while passing the oil downwardly through a plurality of stages in series with an interstage flashing step. After the catalyst i...

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Hauptverfasser:	CHRISTMAN, ROBERT D, YANIK, STEPHEN J, LASHER, JORDAN S, PARASKOS, JOHN A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY CRACKING HYDROCARBON OILS FUELS LUBRICANTS METALLURGY MINERAL WAXES PEAT PETROLEUM, GAS OR COKE INDUSTRIES PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA TECHNICAL GASES CONTAINING CARBON MONOXIDE
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Zusammenfassung:	MULTIPLE STAGE HYDRODESULFURIZATION PROCESS WITH EXTENDED DOWNSTREAM CATALYST LIFE Abatract of the Disclosure A multiple stage process for hydrodesulfurizing a residual oil while passing the oil downwardly through a plurality of stages in series with an interstage flashing step. After the catalyst in the downstream stage is deactivated by coke deposition, fresh feed oil is passed directly to the deactivated catalyst to obtain an extended life in the downstream catalyst.