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Title:
BENZENE ALKYLATION
Document Type and Number:
WIPO Patent Application WO/2012/054260
Kind Code:
A3
Abstract:
A process for the production of alkylbenzene, the process including: feeding a Ci to C6 alcohol and benzene to a catalytic distillation reactor system comprising an upper reaction zone containing an alkylation catalyst and a lower reaction zone containing a transalkylation catalyst, which may be the same or different than the alkylation catalyst; concurrently in the catalytic distillation reactor system: reacting a portion of the alcohol with the benzene within the upper reaction zone to form a reaction mixture containing water, alkylbenzene, dialkyl ether, unreacted alcohol, unreacted benzene, and polyalkylate including dialkylbenzene; reacting a portion of the polyalkylate with benzene in the lower reaction zone to form additional alkylbenzene; and fractionally distilling the reaction mixture; recovering an overheads fraction from the catalytic distillation reactor system comprising benzene, unreacted alcohol, water, and dialkyl ether; recovering a bottoms fraction from the catalytic distillation reactor system comprising benzene, alkylbenzene, and polyalkylate.

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Inventors:
YE MINGHUA (US)
PHAN QUOC T (US)
MARASCHINO MARIO J (US)
PODREBARAC GARY G (US)
Application Number:
PCT/US2011/055728
Publication Date:
July 26, 2012
Filing Date:
October 11, 2011
Export Citation:
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Assignee:
CATALYTIC DISTILLATION TECHNLOGIES (US)
YE MINGHUA (US)
PHAN QUOC T (US)
MARASCHINO MARIO J (US)
PODREBARAC GARY G (US)
International Classes:
C07C2/86; B01J8/02; C07C7/04; C07C15/067
Domestic Patent References:
WO2009108655A22009-09-03
Foreign References:
US20100048966A12010-02-25
US20080262279A12008-10-23
US20090163753A12009-06-25
US4870222A1989-09-26
US4774377A1988-09-27
Attorney, Agent or Firm:
BERGMAN, Jeffrey, S. et al. (909 Fannin Street Suite 350, Houston TX, US)
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