Stabilized sodium erythorbate boiler corrosion inhibitor composi

Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Maintaining environment nondestructive to metal

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422 11, 210750, 210757, 25218828, 252178, 25238962, C23F 1104, C02F 170, C09K 300

Patent

active

046817379

ABSTRACT:
A method of inhibiting corrosion due to dissolved oxygen is disclosed, whereby chelant-stabilized sodium erythorbate, alone or in combination with conventional corrosion inhibitors, is added to boiler water to prevent corrosion by reducing dissolved oxygen levels in boiler feedwater.

REFERENCES:
patent: 2297212 (1942-09-01), Gockel
patent: 3962113 (1976-06-01), Shiessl et al.
patent: 4096090 (1978-06-01), Noack
patent: 4289645 (1981-09-01), Muccitelli
patent: 4454046 (1984-06-01), Wallace et al.
patent: 4487708 (1984-12-01), Muccitelli
patent: 4512909 (1985-04-01), Schiessl
patent: 4549968 (1985-10-01), Muccitelli
Chemical Abstract No. 91:59488, "Deoxidant Chip of High Activity", vol. 9, (1979), p. 142.

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