Process for wet aromatic alkylation and dry aromatic transalkyla

Details Process for wet aromatic alkylation and dry aromatic transalkyla Process for wet aromatic alkylation and dry aromatic transalkyla

1991-12-23

1993-01-05

McFarlane, Anthony

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585301, 585302, 585323, 585446, C07C 266

Patent

active

051772850

ABSTRACT:
A process for the production of alkylaromatic hydrocarbons uses a high water content in an alkylation zone and a low water content in a transalkylation zone to improve yields improve process yields and catalyst life. An aromatic feed and an acyclic feed are first passed through the alkylation reaction zone that operates at a high water content. A separator receives the effluent from the alkylation reaction zone and removes water from a sidecut of unreacted aromatic feed. The sidecut of aromatic feed and a stream of polyalkylated aromatics are contacted in the transalkylation zone. The differing water content improves the operation of both the alkylation zone and the transalkylation zone.

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