Oxygen scavenger for boiler water and method of use

Details Oxygen scavenger for boiler water and method of use Oxygen scavenger for boiler water and method of use

C - Chemistry, Metallurgy

02

F

134/38

C02F 5/12 (2006.01) C02F 1/20 (2006.01) C23F 11/14 (2006.01)

Patent

CA 1308329

ABSTRACT OF THE DISCLOSURE A method for removing dissolved oxygen from boiler feed water, while providing metal passivation and condensate treatment, comprises: adding to the boiler feed water an oxygen scavenging amount of a solution of ascorbic acid neutralized with diethylaminoethanol. The solution has a ratio of ascorbic acid to diethylaminoethanol of 1:1 to about 1:5 on a molar basis and has a pH of at least 10. The solution is maintained in the boiler water to remove dissolved oxygen and provide the desired passivation and condensate treatment.

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