Method of preventing pitting corrosion

Details Method of preventing pitting corrosion Method of preventing pitting corrosion

1997-02-10

1998-04-07

Bhat, Nina

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Maintaining environment nondestructive to metal

134 2211, 427239, 210759, 210764, 210765, C23F 1100, B08B 903, C02F 172

Patent

active

057360979

ABSTRACT:
Hydrogen peroxide or a hydrogen peroxide producing agent is added to a water system having copper or copper alloy such as a thermal storage water system or a closed water system whereby the concentration of hydrogen peroxide in the circulating water becomes 1 to 200 mgH.sub.2 O.sub.2 /L. Hydrogen peroxide produces oxygen and oxygen works microbes directly so as to remove the microbial fouling and thus prevent the pitting corrosion in copper or its alloy due to microbial contamination.

REFERENCES:
patent: 4806169 (1989-02-01), Spane et al.

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