Permanent cobalt catalyst for sulfite oxygen scavenger

Details Permanent cobalt catalyst for sulfite oxygen scavenger Permanent cobalt catalyst for sulfite oxygen scavenger

C - Chemistry, Metallurgy

09

K

362/31

C09K 8/84 (2006.01) C02F 1/70 (2006.01) C02F 1/72 (2006.01) C23F 11/18 (2006.01) E21B 41/02 (2006.01)

Patent

CA 1125930

ICR 6056.1 PERMANENT COBALT CATALYST FOR SULFITE OXYGEN SCAVENGER Abstract of the Disclosure 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.

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