Permanent cobalt catalyst for sulfite oxygen scavenging

Details Permanent cobalt catalyst for sulfite oxygen scavenging Permanent cobalt catalyst for sulfite oxygen scavenging

1979-03-19

1980-11-04

Cintins, Ivars C.

Liquid purification or separation

Processes

Chemical treatment

166244C, C02F 172

Patent

active

042318696

ABSTRACT:
In the recovery of hydrocarbons from petroliferous formations wherein water is injected into the formation through a borehole, oxygen is scavenged from water employed in recovery applications requiring low oxygen levels by mixing with a source of sulfite ion, said mixture then being passed over a cation exchange resin on which a cobalt ion or other metallic catalyst is adsorbed. The catalyst increases the reaction rate of the sulfite ion and the oxygen to form sulfate ion, while the resin maintains the cobalt in place.

REFERENCES:
patent: 3618667 (1971-11-01), Snavely
patent: 3625888 (1971-12-01), Redmore et al.
patent: 3764548 (1973-10-01), Redmore
patent: 3808138 (1974-04-01), Yamaguchi et al.
patent: 3920545 (1975-11-01), Argabright et al.
Uhlig, Herbert H., Corrosion and Corrosion Control, John Wiley and Sons, Inc., N.Y., 1963, pp. 272-273.

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