Title:
A PROCESS FOR PRODUCING DIMETHYL ETHER FROM METHANOL
Document Type and Number:
WIPO Patent Application WO/2009/117851
Kind Code:
A1
Abstract:
Disclosed is a process for producing dimethyl ether from methanol, which is characterized in that the absorbing liquid used in said absorbing column is the bottom liquid of DME-fractionating column and/or bottom waste water of the methanol-recovering column. Said process can significantly reduce energy consumption of the apparatus.
Inventors:
GUO XIANGBO (CN)
LI ZHENG (CN)
LI QIANG (CN)
XIE CHAOGANG (CN)
YANG KEYONG (CN)
MAO ANGUO (CN)
CHANG XUELIANG (CN)
ZHU GENQUAN (CN)
LI ZHENG (CN)
LI QIANG (CN)
XIE CHAOGANG (CN)
YANG KEYONG (CN)
MAO ANGUO (CN)
CHANG XUELIANG (CN)
ZHU GENQUAN (CN)
Application Number:
PCT/CN2008/000601
Publication Date:
October 01, 2009
Filing Date:
March 26, 2008
Export Citation:
Assignee:
CHINA PETROLEUM & CHEMICAL (CN)
RES INST PETROLEUM PROCESSING (CN)
GUO XIANGBO (CN)
LI ZHENG (CN)
LI QIANG (CN)
XIE CHAOGANG (CN)
YANG KEYONG (CN)
MAO ANGUO (CN)
CHANG XUELIANG (CN)
ZHU GENQUAN (CN)
RES INST PETROLEUM PROCESSING (CN)
GUO XIANGBO (CN)
LI ZHENG (CN)
LI QIANG (CN)
XIE CHAOGANG (CN)
YANG KEYONG (CN)
MAO ANGUO (CN)
CHANG XUELIANG (CN)
ZHU GENQUAN (CN)
International Classes:
C07C41/09; B01J29/08; C07C43/04
Foreign References:
| CN101125802A | 2008-02-20 | |||
| RU2277528C1 | 2006-06-10 | |||
| CN1153080A | 1997-07-02 |
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (Great Eagle Centre23 Harbour Road,Wanchai, Hong Kong, CN)
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