Method for improving the initial activity of activated hydrazine

Details Method for improving the initial activity of activated hydrazine Method for improving the initial activity of activated hydrazine

1983-03-10

1985-05-28

Doll, John

Chemistry of inorganic compounds

With additive

210750, 210757, 25218828, 423269, 423407, C02B 118, C23F 1114, C23F 1118

Patent

active

045199973

ABSTRACT:
The method for improving the initial activity of activated hydrazine, is used as corrosion protection for reservoir drinking water and for the wet preservation of installation parts, which are no longer being used. It is the goal of the invention to improve the initial activity of hydrazine solutions, which are activated with complexes of trivalent cobalt, with respect to oxygen dissolved in water, and to lower the activator concentration; the object of the invention being to use a suitable coactivator. The object is accomplished in that the activator-rich hydrazine solution additionally contains 2-amino-4-nitrophenol or 2-acetamino-4-nitrophenol or mixtures thereof as coactivator.

REFERENCES:
patent: 2780531 (1957-02-01), Lewis
patent: 3728281 (1973-04-01), Marks et al.
patent: 4022711 (1977-05-01), Noack
patent: 4022712 (1977-05-01), Noack
patent: 4079018 (1978-03-01), Noack
patent: 4124500 (1978-11-01), Arghiropoulos et al.

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