Title:
パラキシレンの製造方法
Document Type and Number:
Japanese Patent JP6389284
Kind Code:
B2
Abstract:
In a process for producing para-xylene, a feed stream comprising C6+ aromatic hydrocarbons is separated into a toluene-containing stream, a C8 aromatic hydrocarbon-containing stream and a C9+ aromatic hydrocarbon-containing stream. The toluene-containing stream is contacted with a methylating agent to convert toluene to xylenes and produce a methylated effluent stream. Para-xylene is recovered from the C8 aromatic hydrocarbon-containing stream and the methylated effluent stream in a para-xylene recovery section to produce a para-xylene depleted stream, which is then contacted with a xylene isomerization catalyst under liquid phase conditions effective to isomerize xylenes in the para-xylene depleted stream and produce an isomerized stream. The C9+-containing stream with a transalkylation catalyst under conditions effective to convert C9+-aromatics to C8−-aromatics and produce a transalkylated stream, which is recycled together with the isomerized stream to the para-xylene recovery section.
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Inventors:
Tinger, Robert Gee
Andrews, Jeffrey Elle
Molinier, Michael
Andrews, Jeffrey Elle
Molinier, Michael
Application Number:
JP2016575737A
Publication Date:
September 12, 2018
Filing Date:
June 10, 2015
Export Citation:
Assignee:
ExxonMobil Chemical Patents, Inc.
International Classes:
C07C5/27; C07C2/86; C07C6/12; C07C15/08
Domestic Patent References:
| JP1056628A |
Foreign References:
| US20140100398 | ||||
| WO2014058550A1 | ||||
| US20130296624 | ||||
| US20080260604 |
Attorney, Agent or Firm:
Yuzo Yamazaki
Toshiaki Akamatsu
Ono Wataru
Tadao Naito
Chihiro Imai
Atsushi Osaka
Toshiaki Akamatsu
Ono Wataru
Tadao Naito
Chihiro Imai
Atsushi Osaka