Physical solvent absorption of carbon dioxide and hydrogen sulph

Details Physical solvent absorption of carbon dioxide and hydrogen sulph Physical solvent absorption of carbon dioxide and hydrogen sulph

1978-03-08

1979-07-31

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

B01D 1900

Patent

active

041629035

ABSTRACT:
The present invention is related to a process for absorbing acid gases from industrial gaseous mixtures by washing under pressure with a solvent. The invention is concerned more particularly with the use of hexamethyl phosphorotriamide OP[N(CH.sub.3).sub.2 ].sub.3, pure or mixed with water, as a physical solvent of acid gases.
This new physical solvent is of particular interest in the treatment of natural acid gases and refinery gases.

REFERENCES:
patent: 2634824 (1953-04-01), Drake et al.
patent: 3590555 (1971-07-01), Wackernagel

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