| 发明名称 |
A PROCESS FOR THE SEPARATION OF DIMETHYL ETHER AND CHLOROMETHANE IN MIXTURES |
| 摘要 |
THE PRESENT INVENTION RELATES TO A PROCESS FOR THE SEPARATION OF DIMETHYL ETHER AND CHLOROMETHANE IN MIXTURES BY TWO DISTILLATION STEPS. IN THE FIRST STEP, THE MIXTURE IS SUBJECTED TO AN EXTRACTIVE DISTILLATION WITH WATER, AQUEOUS SALT SOLUTIONS OR ORGANIC LIQUIDS AS ECTRACTANT, THE TOP PRODUCT BEING CHLOROMETHANE. IN THE SECOND STEP, THE DIMETHYL ETHER IS SEPARATED FROM THE EXTRACTANT. |
| 申请公布号 |
MY130981(A) |
申请公布日期 |
2007.07.31 |
| 申请号 |
MY1997PI02816 |
申请日期 |
1997.06.23 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
DI PETER ROTH;DI ERHARD LEISTNER;DI HANS HAVERKAMP;DR WOLFGANG WENDEL;DR MICHAEL KLEIBER |
| 分类号 |
B01D3/40;C07C17/16;C07C17/38;C07C17/386;C07C19/03;C07C41/42;C07C43/04 |
主分类号 |
B01D3/40 |
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