Invention Grant
- Patent Title: Recovery of gases, especially permanent gases, from streams of matter, especially from offgas streams from polymerizations
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Application No.: US15500593Application Date: 2015-07-23
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Publication No.: US10092876B2Publication Date: 2018-10-09
- Inventor: Volker Witzleb , Werner Leitmayr , Christian Voss , Akos Tota , Martin Bauer
- Applicant: LINDE AKTIENGESELLSCHAFT
- Applicant Address: DE Munich
- Assignee: Linde Aktiengesellschaft
- Current Assignee: Linde Aktiengesellschaft
- Current Assignee Address: DE Munich
- Agency: Millen White Zelano & Branigan, PC
- Priority: DE102014011750 20140807; EP14004421 20141223
- International Application: PCT/EP2015/001528 WO 20150723
- International Announcement: WO2016/020042 WO 20160211
- Main IPC: B01D53/22
- IPC: B01D53/22 ; B01D53/047 ; C07C7/12 ; C07C7/144 ; C07C7/00
Abstract:
A method of cleaning a stream of matter that includes a C2+ fraction and a first gaseous substance and a second gaseous substance. The stream of matter is subjected to a pressure swing adsorption to remove the C2+ fraction by means of a membrane to obtain a retentate and a permeate. The first substance is enriched in retentate and depleted in permeate and the second substance is depleted in retentate and enriched in permeate.
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