Two-stage hydroprocessing reaction scheme with series recycle ga

Details Two-stage hydroprocessing reaction scheme with series recycle ga Two-stage hydroprocessing reaction scheme with series recycle ga

1996-01-22

1999-09-28

Caidarola, Glenn

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural parallel stages of chemical conversion

208 80, 585302, 585300, 422190, 422196, C10G 5106, C07C 100, B01G 804

Patent

active

059582189

ABSTRACT:
Hydrocarbon feedstocks are hydroprocessed in parallel reactors, while hydrogen flows in series between the reactors. A first hydrocarbon feedstock and a hydrogen-rich recycle gas stream are introduced to a first reactor, where a first reactor effluent stream is produced and fed to a first separator, which separates the first reactor effluent stream into a first hydrogen-rich gas stream and a first hydroprocessed product stream. The first hydrogen-rich gas stream and a second hydrocarbon feedstock are fed to a second reactor, where a second reactor effluent stream is produced and fed to a second separator, which separates the second reactor effluent stream into a second hydrogen-rich gas stream and a second hydroprocessed product stream. A make-up hydrogen stream is added to the second hydrogen-rich gas to form the hydrogen-rich recycle gas stream that is compressed and fed to the first reactor.

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