Heavy naphtha upgrading

Chemistry of hydrocarbon compounds – Aromatic compound synthesis – By ring formation from nonring moiety – e.g. – aromatization,...

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585322, 208111, 208 74, C07C 600, C10G 4704, C10G 5100

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active

053960106

ABSTRACT:
A fluid catalytically cracked heavy naphtha containing a substantial proportion of preferably more than 90% C.sub.9 + hydrocarbons is contacted with a reformate heavy naphtha containing a substantial proportion of C.sub.9 + hydrocarbons and, optionally, a benzene-rich stream, over a catalyst of acidic functionality, preferably unsteamed ZSM-5, under transalkylation reaction conditions of temperature and pressure to produce a gasoline boiling range product, boiling below 300.degree. F., having a reduced sulfur content and an increased octane number. In one mode of operation the reformate is cascaded from the reformer as the conditions of reaction are compatible with the conditions established in the reformer.

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