Carbohydrazones as boiler water oxygen scavengers

Details Carbohydrazones as boiler water oxygen scavengers Carbohydrazones as boiler water oxygen scavengers

1992-04-22

1993-11-02

Cintins, Ivars

Liquid purification or separation

Processes

Chemical treatment

210757, 25218828, 252392, 422 16, C02F 120, C02F 170

Patent

active

052581250

ABSTRACT:
The invention is directed generally to controlling corrosion in boiler systems and more particularly to treating boiler water to remove dissolved oxygen and to passivate metal surfaces.

REFERENCES:
patent: 4269717 (1981-05-01), Slovinsky
patent: 4479917 (1984-10-01), Rothgery et al.
patent: 4540494 (1985-09-01), Fuchs et al.
Copper-Catalyzed Autoxidation of Carbohydrazide: Kinetics and Mechanism, David R. Cosper and David J. Kowalski 0888-5885/90/2629-1130 American Chemical Society 1990.
Carbodihydrazones and Oxalyl Dihydrazones, D. M. Wiles and T. Suprunchuk, Canadian Journal of Chemistry, vol. 46, 1968, pp. 701-705.
Reactions of Carbohydrazide. Part II. A. M. Munro and F. J. Wilson, Jo. Chemical Society 1928--pp. 1257-1261.
XVIII.-Reactions of Carbohydrazide. Part I. Andrew C. Brown, Eric C. Pickering, Forsyth J. Wilson--Jo. Chemical Society 1927 pp. 107-113.

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