Hydrocarbon reforming process

Details Hydrocarbon reforming process Hydrocarbon reforming process

1976-01-07

1977-01-11

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural parallel stages of chemical conversion

208 79, 208139, C10G 3508, C10G 3900

Patent

active

040025551

ABSTRACT:
A process is disclosed for reforming two hydrocarbon feedstocks by contacting one feedstock and hydrogen with a reforming catalyst in a first reforming zone at reforming conditions including a relatively high reforming pressure; separating a hydrogen-rich gas and first hydrocarbon product from the effluent from the first zone at a pressure below the first reforming pressure; recycling a first portion of the hydrogen-rich gas to provide hydrogen for the first reforming zone; contacting the other feedstock and a second portion of the hydrogen-rich gas with a second reforming catalyst in a second reforming zone at reforming conditions including a pressure lower than the first reforming pressure, with all of the hydrogen gas introduced into the second reforming zone being obtained solely from the first reforming zone effluent; and recovering a second hydrocarbon product from the effluent from the second reforming zone. The process eliminates a hydrogen recycle compressor for the second reforming zone and operates without compressing hydrogen passed from the first reforming zone to the second reforming zone.

REFERENCES:
patent: 2765264 (1956-10-01), Pasik
patent: 2767124 (1956-10-01), Myers
patent: 2867576 (1959-01-01), Honeycutt
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patent: 3415737 (1968-12-01), Kluksdahl
patent: 3705094 (1972-12-01), Keith et al.
patent: 3705095 (1972-12-01), Dalson et al.
patent: 3801494 (1974-04-01), Moore et al.
patent: 3928174 (1975-12-01), Bonacci et al.

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