Method of enriching chlorine gas

Details Method of enriching chlorine gas Method of enriching chlorine gas

1999-07-07

2000-11-28

Spitzer, Robert H.

Gas separation: processes

Selective diffusion of gases

Selective diffusion of gases through substantially solid...

95 51, 95 53, 95 54, 96 10, 96 11, B01D 5322

Patent

active

061529869

ABSTRACT:
A method of enriching chlorine gas is described, which method comprises: (a) providing a supported ceramic membrane having a feed side and a permeate side; (b) bringing a feed gas comprising chlorine gas and contaminant gas into contact with the feed side of the ceramic membrane; (c) removing a gaseous permeate depleted in chlorine from the permeate side of the ceramic membrane; and (d) recovering a gas enriched in chlorine from the feed side of the ceramic membrane. The supported ceramic membrane has pore diameters in the range of from 3 angstroms to 12 angstroms. Preferably, the supported ceramic membrane is a substantially cylindrical supported ceramic membrane having a substantially cylindrical internal coaxial passage.

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