US2019299168A1PendingUtilityA1

Thin film composite membranes for fluid separations

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Assignee: UNIV KING ABDULLAH SCI & TECHPriority: Jun 5, 2017Filed: Jun 6, 2019Published: Oct 3, 2019
Est. expiryJun 5, 2037(~10.9 yrs left)· nominal 20-yr term from priority
Inventors:Zain AliIngo Pinnau
B01D 69/02B01D 2256/16B01D 71/56B01D 2325/04B01D 53/228B01D 2256/245B01D 67/0006B01D 2257/504B01D 2256/12B01D 2257/102B01D 69/125Y02C20/40
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Claims

Abstract

Embodiments of the present disclosure describe, among other things, methods of separating fluids comprising contacting a defect-free polyamide-thin-film composite membrane with a fluid composition and capturing one or more chemical species from the fluid composition.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A method of separating fluids, comprising:
 contacting a defect-free polyamide-thin-film composite membrane with a fluid composition; and   capturing one or more chemical species from the fluid composition.   
     
     
         2 . The method of  claim 1 , wherein the fluid composition is in a liquid phase, a gas/vapor phase, or a combination thereof. 
     
     
         3 . The method of  claim 1 , wherein the fluid composition includes one or more of H 2 , CO 2 , CH 4 , O 2 , N 2 , H 2 O, and He. 
     
     
         4 . The method of  claim 1 , wherein the one or more captured chemical species have a kinetic diameter of less than about 3.5 Å. 
     
     
         5 . The method of  claim 1 , wherein the defect-free polyamide-thin-film composite membrane exhibits a H 2 /CO 2  selectivity of at least 10.

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