Membrane process for separating gases from gas-liquid charge str

Details Membrane process for separating gases from gas-liquid charge str Membrane process for separating gases from gas-liquid charge str

1988-04-04

1990-01-30

Spear, Frank

Gas separation

Means within gas stream for conducting concentrate to collector

55159, 21050037, 210640, B01D 1300

Patent

active

048970913

ABSTRACT:
Gases such as carbon dioxide may be separated from rich liquor (such as methanol containing carbon dioxide) by passage of gas through a membrane which is the reaction product of (i) a polyamine and (ii) a polyisocyanate or a poly (carbonyl chloride).

REFERENCES:
patent: 4444571 (1984-04-01), Matson
patent: 4461165 (1984-07-01), Kesson
patent: 4493714 (1985-01-01), Ueda et al.

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