Invention Grant
- Patent Title: Ethylene recovery from a polymerization process
- Patent Title (中): 乙烯从聚合过程中回收
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Application No.: US12454779Application Date: 2009-05-22
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Publication No.: US07709585B1Publication Date: 2010-05-04
- Inventor: Alberto Buchelli , Ronald J. Morris , William G. Todd , Anthony Lee Zimmermann
- Applicant: Alberto Buchelli , Ronald J. Morris , William G. Todd , Anthony Lee Zimmermann
- Applicant Address: US TX Houston
- Assignee: Equistar Chemicals, LP
- Current Assignee: Equistar Chemicals, LP
- Current Assignee Address: US TX Houston
- Agent Roderick W. MacDonald
- Main IPC: C08F2/00
- IPC: C08F2/00 ; C08F6/00
Abstract:
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.
Information query
