Oxygen scavengers

Oxygen scavengers are used in oil production to reduce corrosion resulting from dissolved oxygen. Oxygen scavengers are usually sulphite or bisulphite formulations which will form sulphate (SO4-2) after reaction with oxygen.

Removal of air by defoaming and mechanical deaeration is an essential step before applying a scavenger to lower the dissolved oxygen content.

CECA has developed a range of chemical products under the brand name Norust® SC 4X which can selectively scavenge oxygen.

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