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RECOVERY OF GASES, ESPECIALLY PERMANENT GASES, FROM STREAMS OF MATTER, ESPECIALLY FROM OFFGAS STREAMS FROM POLYMERIZATIONS

  • US 20170209830A1
  • Filed: 07/23/2015
  • Published: 07/27/2017
  • Est. Priority Date: 08/07/2014
  • Status: Active Grant
First Claim
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1. A method of cleaning a stream of matter, wherein the stream of matter includes a C2+ fraction and at least one first gaseous substance and a different second gaseous substance, wherein the stream of matter is subjected to a pressure swing adsorption to remove the C2+ fraction,characterized in thatthe stream of matter, after removal of the C2+ fraction by means of a membrane, is separated into a retentate and a permeate, wherein the first substance is enriched in the retentate and the second substance is depleted in the retentate, and wherein the first substance is depleted in the permeate and the second substance is enriched in the permeate.

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