Heavy naphtha conversion

Details Heavy naphtha conversion Heavy naphtha conversion

1994-04-04

1995-04-25

Pal, Asok

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 58, 208138, 208141, 585653, 585655, 585319, 585322, 585419, C10G 6910, C10G 3506, C07C 532

Patent

active

054095956

ABSTRACT:
Catalytically cracked naphthas containing C.sub.9 + hydrocarbons are hydrocracked over a crystalline zeolite, typically, mildly steamed zeolite beta then subjected to reforming to achieve a gasoline product of reduced end boiling range and higher octane than the feed. A hydrogen stream from the reformer which contains a catalytic promoter, such as chlorine, is separated into a first stream and a second stream. The first stream is treated over a solid sorbent to remove the promoter and recycled promoter to the hydrocracking step while the untreated second hydrogen stream which contains promoter is recycled to the reformer.

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