Preparation of concentrated aqueous solution of hydrazine hydrat

Details Preparation of concentrated aqueous solution of hydrazine hydrat Preparation of concentrated aqueous solution of hydrazine hydrat

1985-07-26

1988-02-09

Doll, John

Chemistry of inorganic compounds

Nitrogen or compound thereof

Binary compound

568383, C01B 2116

Patent

active

047241330

ABSTRACT:
A continuous method for the preparation of concentrated aqueous solutions of hydrazine hydrate from concentrated aqueous solutions of acetone azine by a hydrolysis reaction and distillation under pressure in a column. The concentration of the aqueous solution of acetone azine is such that the water/azine molar ratio ranges between 3 and 7.

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

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