Apparatus for diffusion separation

Details Apparatus for diffusion separation Apparatus for diffusion separation

1949-01-28

1976-08-10

Adee, John

Gas separation

Means within gas stream for conducting concentrate to collector

55158, B01D 5322

Patent

active

039739287

ABSTRACT:
1. The method of testing the separation efficiency of porous permeable membranes which comprises causing a stream of a gaseous mixture to flow into contact with one face of a finely porous permeable membrane under such conditions that a major fraction of the mixture diffuses through the membrane, maintaining a rectangular cross section of the gaseous stream so flowing past said membrane, continuously recirculating the gas that diffuses through said membrane and continuously withdrawing the gas that does not diffuse through said membrane and maintaining the volume of said recirculating gas constant by continuously introducing into said continuously recirculating gas stream a mass of gas equivalent to that which is continuously withdrawn from said gas stream and comparing the concentrations of the light component in the entering gas, the withdrawn gas and the recirculated gas in order to determine the efficiency of said membrane.

REFERENCES:
patent: 2609059 (1952-09-01), Benedict
patent: 2617493 (1952-11-01), Jones

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