Process for the preparation of concentrated solutions of hydrazi

Details Process for the preparation of concentrated solutions of hydrazi Process for the preparation of concentrated solutions of hydrazi

1985-07-26

1988-02-16

Doll, John

Chemistry of inorganic compounds

Nitrogen or compound thereof

Binary compound

568383, C01B 2116

Patent

active

047254211

ABSTRACT:
A continuous method for the preparation of concentrated aqueous solutions of hydrazine hydrate from ketazines which are slightly soluble in water, by hydrolysis and distillation under pressure using a distillation column. The column is fed with the ketazine or ketazines and water wherein the water/azine molar ratio ranges between 5 and 7.75.

REFERENCES:
patent: 3607041 (1971-09-01), Ellis et al.
patent: 3869541 (1975-03-01), Weiss

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