Deoxygenation of water

Details Deoxygenation of water Deoxygenation of water

1976-06-22

1977-04-12

Spear, Jr., Frank A.

Gas separation

Means within gas stream for conducting concentrate to collector

55 53, 62 29, 203 49, B01D 1900

Patent

active

040172767

ABSTRACT:
Seawater is deoxygenated with a nitrogen stripping gas, with the nitrogen stripping gas containing stripped oxygen, being subjected to low temperature fractionation to separate oxygen from the nitrogen. The nitrogen recovered from the fractionation is then recycled to the stripping operation. Air is also employed as feed to the fractionation to provide additional nitrogen and reflux requirements.

REFERENCES:
patent: 3132013 (1964-05-01), Kumamoto et al.
patent: 3267684 (1966-08-01), Jakob
patent: 3338061 (1967-08-01), Hvizdos et al.
patent: 3458972 (1969-08-01), Sood
patent: 3899099 (1975-08-01), Oiestad

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