Invention Grant
- Patent Title: Process for separating propane and propylene using a distillation column and a membrane separation column
- Patent Title (中): 使用蒸馏塔和膜分离塔分离丙烷和丙烯的方法
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Application No.: US12864762Application Date: 2008-12-16
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Publication No.: US08475567B2Publication Date: 2013-07-02
- Inventor: Nathalie Cougard , Arnaud Baudot , Vincent Coupard
- Applicant: Nathalie Cougard , Arnaud Baudot , Vincent Coupard
- Applicant Address: FR Rueil-Malmaison Cedex
- Assignee: IFP Energies Nouvelles
- Current Assignee: IFP Energies Nouvelles
- Current Assignee Address: FR Rueil-Malmaison Cedex
- Agency: Millen, White, Zelano & Branigan, P.C.
- Priority: FR0800436 20080128
- International Application: PCT/FR2008/001746 WO 20081216
- International Announcement: WO2009/106706 WO 20090903
- Main IPC: B01D53/22
- IPC: B01D53/22 ; B01D59/00
Abstract:
Process for separating propane and propylene using a distillation column and at least one membrane separation unit constituted by one or more modules operating in series, said membrane separation unit being placed either upstream, or downstream, or upstream and downstream of the distillation column.
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