Process for removing oxygen from and adding carbon dioxide to a

Details Process for removing oxygen from and adding carbon dioxide to a Process for removing oxygen from and adding carbon dioxide to a

1977-09-01

1979-12-04

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

55 49, 55 68, 55 53, 261148, 261149, B01D 1900

Patent

active

041770447

ABSTRACT:
A liquid and a carbon dioxide containing gas are brought into intimate contact with each other while flowing countercurrently through a column divided into three contact zones. The liquid flows through the first contact zone at a relatively low temperature t.sub.1 to take up carbon dioxide from the gas, then through the second contact zone for delivering carbon dioxide and oxygen to said gas at a higher temperature t.sub.2, and finally through the third contact zone to take up carbon dioxide at a lower temperature t.sub.3 with respect to the temperature t.sub.2.

REFERENCES:
patent: 2527659 (1950-10-01), Smith
patent: 3233388 (1966-02-01), Karwat et al.
patent: 4070231 (1978-01-01), Alleman

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