Gas separation: processes – Selective diffusion of gases – Selective diffusion of gases through substantially solid...
Patent
1996-05-14
1998-05-19
Spitzer, Robert
Gas separation: processes
Selective diffusion of gases
Selective diffusion of gases through substantially solid...
95 50, 96 8, 96 13, 96 14, B01D 5322
Patent
active
057530092
ABSTRACT:
A device and method for selectively removing one or more components from a multicomponent gas/vapor mixture by membrane fractionation. The membrane fractionation gas removal system preferably comprises: a feed chamber which contains the gas/vapor mixture; at least one porous membrane having a first side which contacts the gas/vapor mixture in the feed chamber, and a second side; at least one nonporous membrane having a first side which contacts the second side of the at least one porous membrane, and a second side, the nonporous membrane having a permeability selective to one or more components; an exit chamber connected to the second side of the at least one nonporous membrane such that the component exiting the nonporous gas enters the exit chamber; and an evacuation member connected to the exit chamber for evacuating one or more components from within the exit chamber. The one or more components are transported through the porous membrane, adsorbed out of the gas/vapor multicomponent gas mixture onto the surface of the porous membrane, through the nonporous membrane, and into the exit chamber. The one or more components preferably condense within the pores of the at least one porous membrane.
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Li Jyh-yao Raphael
Sirkar Kamalesh K.
New Jersey Institute of Technology
Spitzer Robert
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