发明名称 |
PROCESS FOR THE PREPARATION OF AN OLEFINIC PRODUCT FROM AN OXYGENATE |
摘要 |
The invention relates to process for the preparation of an olefinic product comprising ethylene and/or propylene from an oxygenate, the process comprising the following steps: a) an oxygenate conversion step wherein a gaseous effluent comprising olefins and a water-soluble oxygenate is obtained; b) separation of water from the effluent; c) compression of the effluent; d) acid gas removal from the compressed gaseous effluent obtained in step c), wherein the compressed gaseous effluent is treated with a caustic solution in a caustic tower; and e) separating the olefinic product from the gaseous effluent treated in step d), wherein, in a final stage in the caustic tower, water-depleted compressed gaseous effluent is treated with a water stream that is essentially free of water-soluble oxygenate and a spent water stream comprising caustic and water-soluble oxygenate is obtained, which spent water stream is withdrawn from the process. |
申请公布号 |
SG11201504711Q(A) |
申请公布日期 |
2015.07.30 |
申请号 |
SG11201504711Q |
申请日期 |
2013.12.24 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
KLOTH, ANTONIUS GIJSBERTUS JOHANNES;SADASIVAN VIJAYAKUMARI, SIVAKUMAR;VAN WESTRENEN, JEROEN |
分类号 |
C07C1/20;C07C11/04;C07C11/06 |
主分类号 |
C07C1/20 |
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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