Catalytic reforming process

In a process wherein, in a series of reforming zones, or reactors, each of which contains a bed, or beds of a sulfur-sensitive polymetallic platinum-containing catalyst, the beds of catalyst are contacted with a hydrocarbon or naphtha feed, and hydrogen, at reforming conditions to produce a hydrocar...

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Bibliographic Details
Main Author SCHOREIDE; JAMES J
Format Patent
LanguageEnglish
Published 23.09.1986
Edition4
Subjects
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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Summary:In a process wherein, in a series of reforming zones, or reactors, each of which contains a bed, or beds of a sulfur-sensitive polymetallic platinum-containing catalyst, the beds of catalyst are contacted with a hydrocarbon or naphtha feed, and hydrogen, at reforming conditions to produce a hydrocarbon, or naphtha product of improved octane, the improvement wherein, at start-up, sulfur is added to the tail reactor of the series, and excluded from the lead reactor. Increased hydrogen purity, aromatics, and C5+ liquid yields are obtained, and there is less gas make.
Bibliography:Application Number: US19850773679