Apparatus and method for protecting gas separation membranes fro

Details Apparatus and method for protecting gas separation membranes fro Apparatus and method for protecting gas separation membranes fro

1987-03-31

1989-02-28

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55158, 55312, 137541, B01D 5322

Patent

active

048081990

ABSTRACT:
An improved method for using a membrane to separate gases provides for relieving the pressure on the permeate side of the membrane when the permeate pressure exceeds the feed pressure by a selected amount. Gas separation apparatus in general and, in particular, spiral wound membrane units are improved by providing for relief of such reversed pressure differentials. A suitable device for relieving the reversed pressure differential includes a body, a poppet movably mounted to the body and biased to a closed position until the selected pressure differential is reached, and a seal for preventing gas flow through the device when the poppet is closed.

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Farris Brochure, (including Groth Products and Services Bulletin HCP-794), Catalog No. FE-80-100.

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