Nuclear steam generator chemical cleaning passivation solution

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United States of America Patent

PATENT NO 5587025
SERIAL NO

08408670

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for passivating the surfaces of a nuclear steam generator and a solution therefor includes EDTA and hydrogen peroxide in a temperature range of 37.degree. C. to 49.degree. C. The solution is adjusted to have a pH of between about 9.2 and 9.5 and used on the surfaces for two hours or more for passivating the surfaces.

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Patent Owner(s)

Patent OwnerAddress
BWX TECHNOLOGIES INCSTATE ROAD 726 MOUNT ATHOS LYNCHBURG VA 24505

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dow, Randall P Lynchburg, VA 1 6
Jevec, John M Uniontown, OH 2 10

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