Inhibiting corrosion in aqueous heat transfer apparatus

Details Inhibiting corrosion in aqueous heat transfer apparatus Inhibiting corrosion in aqueous heat transfer apparatus

1991-05-21

1992-01-14

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Maintaining environment nondestructive to metal

1651341, 222 54, 422 15, 422 16, 422 17, 422 18, 422263, C23F 1108

Patent

active

050808630

ABSTRACT:
Aqueous heat transfer apparatus contains a multicomponent corrosion protection system including a first component adapted to release a corrosion inhibitor on exposure to water under relatively milder conditions and a second component adapted to release a corrosion inhibitor on exposure to water under relatively severer conditions. The components may be open top compartments of a capsule, closed by means of covers of controlled release glass which dissolve in water at different rates.

REFERENCES:
patent: 4517006 (1985-05-01), Drake et al.
patent: 4645749 (1987-02-01), Drake
patent: 4851225 (1989-07-01), Drake et al.

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