Prevention of corrosion in aqueous solutions

Details Prevention of corrosion in aqueous solutions Prevention of corrosion in aqueous solutions

1981-09-21

1983-08-16

Hruskoci, Peter A.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Maintaining environment nondestructive to metal

210750, 252392, 422 16, C23F 1106

Patent

active

043990983

ABSTRACT:
A method for treating water to retard corrosion due to dissolved oxygen, especially boiler feed waters and boiler water condensates, is disclosed. Semicarbazide and its salts are highly effective oxygen scavengers for use in aqueous systems and thereby effect reduction of corrosion resulting from dissolved oxygen.

REFERENCES:
patent: 2658062 (1953-11-01), Jones
patent: 3962113 (1976-06-01), Schiess
patent: 4079018 (1978-03-01), Noack
patent: 4238349 (1980-12-01), Larsen et al.
patent: 4269717 (1981-05-01), Slovinsky
Chemical Abstracts, vol. 74, 116296h, 1971, "Surface Activity of Some Amino Compounds."
Issa et al., U.A.R. J. Chem., 13, No. 1, pp. 121-126 (1970).

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