发明授权
- 专利标题： Ethylene recovery from a polymerization process
- 专利标题（中）： 乙烯从聚合过程中回收
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申请号： US12454779申请日： 2009-05-22
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公开(公告)号： US07709585B1公开(公告)日： 2010-05-04
- 发明人: Alberto Buchelli , Ronald J. Morris , William G. Todd , Anthony Lee Zimmermann
- 申请人： Alberto Buchelli , Ronald J. Morris , William G. Todd , Anthony Lee Zimmermann
- 申请人地址： US TX Houston
- 专利权人： Equistar Chemicals, LP
- 当前专利权人： Equistar Chemicals, LP
- 当前专利权人地址： US TX Houston
- 代理商 Roderick W. MacDonald
- 主分类号： C08F2/00
- IPC分类号： C08F2/00 ; C08F6/00
摘要：
A method for solution polymerizing ethylene wherein an ethane purge stream is separated, subjected to high efficiency cryogenic distillation, and a side cut from that distillation recycled to the polymerization process while the overhead and bottoms from that distillation are removed from the polymerization process.
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