Multizone catalytic reforming process

Details Multizone catalytic reforming process Multizone catalytic reforming process

1997-05-13

1999-01-12

Myers, Helane

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208137, 208138, C10G 3506

Patent

active

058582053

ABSTRACT:
A hydrocarbon feedstock is catalytically reformed in a process which comprises at least three catalyst zones. The feedstock contacts a catalyst comprising platinum, a halogen, and a metal promoter on a solid catalyst support in a first catalyst zone. Effluent from the first catalyst zone contacts a catalyst comprising platinum, germanium and halogen on a solid catalyst support in an intermediate catalyst zone to obtain an intermediate effluent, which contacts a catalyst having the essential absence of germanium and comprising platinum, halogen and a metal promoter on a solid catalyst support in a terminal catalyst zone to obtain a reformate.

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patent: 4929333 (1990-05-01), Moser et al.
patent: 4985132 (1991-01-01), Moser et al.

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