Induced nuclear reactions: processes – systems – and elements – Reactor protection or damage prevention – Corrosion or damage prevention
Patent
1988-02-22
1990-05-15
Wasil, Daniel D.
Induced nuclear reactions: processes, systems, and elements
Reactor protection or damage prevention
Corrosion or damage prevention
252387, C09K 300, G21C 1928
Patent
active
049264494
ABSTRACT:
A potassium inhibitive blend and corrosion protection method for closed cooling water systems. The closed cooling system circulates about 35 to 40 gallons of corrosion inhibitor per 10,000 gallons of circulating water. The corrosion inhibitor contains potassium molybdate, potassium nitrite, and potassium borate in an aqueous solution so that if leakage of the circulated water occurs, the leaked corrosion inhibitive liquid does not cause dangerous radiation in any amounts dangerous to the environment. The potassium molybdate and potassium nitrate each constitute about 12% of the aqueous solution. Potassium based borate at 2 to 2.5%, ethylene glycol preferably at about 10%, and benzotriazole or tolyltriazole of about 0.4% with up to 1% polymeric scale suppressant are also included in the corrosion inhibitive blend.
REFERENCES:
patent: 4313837 (1982-02-01), Vukasovich et al.
patent: 4349457 (1982-09-01), Orillion
patent: 4663053 (1987-05-01), Geiger
patent: 4717495 (1988-01-01), Hercamp et al.
patent: 4728452 (1988-03-01), Hansen
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