SOLUTIONS CONCENTREES D'HYDRATE D'HYDRAZINE

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/...

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Bibliographische Detailangaben
1. Verfasser:	JEAN-PIERRE SCHIRMANN, JEAN COMBROUX ET SERGE YVON DELAVARENNE
Format:	Patent
Sprache:	fre
Schlagworte:	CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	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.