Process for the preparation of concentrated solutions of...

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

2011-05-10

2011-05-10

Nguyen, Ngoc-Yen M (Department: 1734)

Chemistry of inorganic compounds

With additive

C423S472000, C423S473000, C423S275000

Reexamination Certificate

active

07939042

ABSTRACT:
The invention provides stabilized concentrated aqueous solutions of alkali hypobromites, as well as a process for the preparation of said stabilized concentrated solutions at low temperatures, comprising reacting a concentrated alkali hydroxide aqueous solution with bromine, adding to the non-stabilized reaction product an aqueous solution of a sulfamic compound to stabilize the hypobromite, and oxidizing bromide to produce additional hypobromite.

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