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Durable adsorbent material and adsorbent packs and method of making same

  • US 9,266,054 B2
  • Filed: 04/23/2013
  • Issued: 02/23/2016
  • Est. Priority Date: 04/24/2012
  • Status: Active Grant
First Claim
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1. A system for pressure swing adsorption (PSA) or vacuum pressure swing adsorption (VPSA), comprising a parallel passage contactor structure comprising one or more self-supported adsorbent sheets arranged in multiple, overlapping layers mechanically spaced to allow gas flow between said layers from one end of the structure to the other, wherein said one or more adsorbent sheets are formed by a thermally induced phase separation process from a mixture comprising adsorbent particles selected from molecular sieves, activated alumina, zeolites, and activated carbon;

  • and a polymer binder;

    wherein the adsorbent particles in said sheet are of one or more types and each type of adsorbent particles have a mean particle size of greater than 200 nm;

    wherein said binder comprises 0.5% to 5% by weight of the sheet.

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