发明名称 |
PROCESS FOR RECOVERING PURE DIMETHYL ETHER (DME) |
摘要 |
Pure dimethyl ether is obtained by passing the dehydration product from a dimethyl ether synthesis reactor into a distillation column in order to obtain pure dimethyl ether on specific trays of this column and removing the pure dimethyl ether and a fraction which contains impurities on specific trays of the same column, it being possible to use, in addition to the dehydration product, a scrubbing liquid and bases. |
申请公布号 |
EP0340576(A3) |
申请公布日期 |
1991.05.08 |
申请号 |
EP19890107317 |
申请日期 |
1989.04.22 |
申请人 |
UNION RHEINISCHE BRAUNKOHLEN KRAFTSTOFF AKTIENGESELLSCHAFT |
发明人 |
DORNHAGEN, HORST, DR.;HAMMER, HARTMUT, DR.;MEISENBURG, EWALD;SCHMID, HORST |
分类号 |
C07C41/09;C07C41/00;C07C41/42;C07C43/04;C07C67/00;(IPC1-7):C07C43/04 |
主分类号 |
C07C41/09 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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