Title:
PRODUCTION OF PARA-XYLENE
Document Type and Number:
WIPO Patent Application WO/2012/170336
Kind Code:
A3
Abstract:
The invention is a process for producing paraxylene, benzene and/or toluene is alkylated with methanol in the presence of a catalyst under conditions effective to convert said benzene and/or toluene to xylene and produce a product stream containing water, xylene and one or more phenolic impurities. The said product stream is separated into a water-rich stream and a xylene-rich stream containing one or more phenolic impurities and at least a portion of the xylene-rich stream is contacted with an aqueous solution of a base under conditions to remove at least some of the phenolic impurities from the xylene-rich stream portion.
Inventors:
ZHENG XIAOBO (US)
HAGEMEISTER MARK P (US)
BENDER TIMOTHY P (US)
TINGER ROBERT G (US)
HAGEMEISTER MARK P (US)
BENDER TIMOTHY P (US)
TINGER ROBERT G (US)
Application Number:
PCT/US2012/040704
Publication Date:
June 20, 2013
Filing Date:
June 04, 2012
Export Citation:
Assignee:
EXXONMOBIL CHEM PATENTS INC (US)
ZHENG XIAOBO (US)
HAGEMEISTER MARK P (US)
BENDER TIMOTHY P (US)
TINGER ROBERT G (US)
ZHENG XIAOBO (US)
HAGEMEISTER MARK P (US)
BENDER TIMOTHY P (US)
TINGER ROBERT G (US)
International Classes:
C07C2/66; C07B63/00; C07C15/08
Domestic Patent References:
| WO2004000974A1 | 2003-12-31 | |||
| WO2000069796A1 | 2000-11-23 |
Foreign References:
| JPH10298117A | 1998-11-10 | |||
| US5338453A | 1994-08-16 |
Attorney, Agent or Firm:
GRIFFIS, Andrew, B. et al. (Law TechnologyP.O. Box 214, Baytown TX, US)
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