Boiler chemicals and method of preventing corrosion of boilers

Details Boiler chemicals and method of preventing corrosion of boilers Boiler chemicals and method of preventing corrosion of boilers

1989-09-19

1991-05-07

Stoll, Robert L.

Compositions

Preservative agents

Anti-corrosion

422 12, 25218828, C23F 1110

Patent

active

050134817

ABSTRACT:
Disclosed is a boiler chemical having both oxygen scavenging function and softening function. The boiler chemical contains a starch phosphate and/or a water-soluble salt thereof. A starch phosphate and/or a water-soluble salt thereof are/is added to the boiler feed water in a given amount of an amount as determined by the phosphate ion concentration in the boiler water and scaled, as measured, whereby the boiler is prevented from being corroded.

REFERENCES:
patent: 4659482 (1987-04-01), Chen
patent: 4680125 (1987-07-01), Cuisia et al.
patent: 4841040 (1989-06-01), Gust et al.
Hawley's Condensed Chemical Dictionary, 11th edition, Van Nostrand Reinhold Co., 1987, p. 1090.
European Search Report.

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