Membrane drying of gas feeds to low temperature units

Gas separation – Means within gas stream for conducting concentrate to collector

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Details

55 31, 55 62, 55 75, 62 18, 62 27, B01D 5322

Patent

active

049522191

ABSTRACT:
A process is provided for the low temperature separation of a high purity gas product at lower power requirements by permeating a feed gas stream through a membrane having a water-to-gas-product selectivity of at least about 100, separating water from the gas stream, feeding the partially dried gas stream through a molecular sieve to remove residual water, and supplying the dried gas stream to a low temperature separation unit to separate gas product(s) from the gas stream.

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