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Composite metal membrane

  • US 5,738,708 A
  • Filed: 06/07/1995
  • Issued: 04/14/1998
  • Est. Priority Date: 06/07/1995
  • Status: Expired due to Fees
First Claim
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1. A process for the recovery of hydrogen from a gaseous mixture comprising:

  • contacting a hydrogen-containing gaseous mixture with a first side of a nonporous composite metal membrane including a first metal layer selected from the group consisting of Group IVB metals and Group VB metals, said first metal layer sandwiched between two layers of an oriented metal selected from the group consisting of palladium, platinum and alloys thereof; and

    ,separating hydrogen from a second side of said nonporous composite metal membrane.

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