| 发明名称 |
LOW PRESSURE SEPARATION OF DIMETHYL ETHER FROM AN OLEFIN STREAM |
| 摘要 |
<p>DISCLOSED IS A METHOD OF REMOVING DIMETHYL ETHER FROM AN ETHYLENE AND/OR PROPYLENE CONTAINING STREAM. DIMETHYL ETHER IS REMOVED AT A LOW PRESSURE, PREFERABLY IN A DISTILLATION COLUMN (126).THE LOW PRESSURE SEPARATION HAS THE BENEFIT OF PROVIDING A RELATIVELY LOW TEMPERATURE SEPARATION, WHILE ALLOWING FOR RECOVERY OF A HIGHLY CONCENTRATED ETHYLENE AND/OR PROPYLENE STREAM.(FIG 1)</p> |
| 申请公布号 |
MY135415(A) |
申请公布日期 |
2008.04.30 |
| 申请号 |
MY2002PI03021 |
申请日期 |
2002.08.15 |
| 申请人 |
EXXONMOBIL CHEMICAL PATENTS INC. |
发明人 |
ZHONG YI DING;JAMES R. LATTNER;COR F. VAN EGMOND;JEFFREY L BRINEN;MICHAEL PETER NICOLETTI |
| 分类号 |
B01D3/14;C07C7/04;C07C7/11;C07C7/13;C07C7/17;C07C11/02;C07C11/04;C07C11/06 |
主分类号 |
B01D3/14 |
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