Process for the alkylation of benzene-rich gasoline

Details Process for the alkylation of benzene-rich gasoline Process for the alkylation of benzene-rich gasoline

1993-08-11

1994-08-09

Pal, Asok

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

To produce aromatic

585313, 585449, 585467, C07C 266

Patent

active

053368207

ABSTRACT:
A process is disclosed for enhancing the alkylation conversion rate of a benzene-rich gasoline boiling range hydrocarbon feedstream alkylated with C.sub.2 -C.sub.5 olefins. The process comprises contacting the benzene-rich stream and olefins sequentially in decreasing order of olefin oligomerization activity comprising a first contact with C.sub.3 -C.sub.5 olefins followed by contact with C.sub.2 olefin, preferably at different points of an alkylation zone containing solid, shape selective aluminosilicate catalyst particles under benzene alkylation conditions. Gasoline is produced having a reduced benzene content.

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patent: 4992607 (1991-02-01), Harendi et al.
patent: 5073653 (1991-12-01), Butler
patent: 5120890 (1992-06-01), Sachtler et al.

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