Production of concentrated biocidal solutions

Details Production of concentrated biocidal solutions Production of concentrated biocidal solutions

2005-03-22

2005-03-22

Pryor, Alton N. (Department: 1616)

Drug, bio-affecting and body treating compositions

Inorganic active ingredient containing

Elemental sulfur or compound thereof

C424S723000

Reexamination Certificate

active

06869620

ABSTRACT:
The production process comprises A) forming an acidic aqueous solution comprising alkali metal cations, bromide anions, and sulfamate anions; B) feeding into said aqueous solution a source of alkali metal cations and chlorine-containing bromide oxidant proportioned to keep the resultant aqueous medium acidic and to form an acidic product solution containing at least about 5 wt % of active bromine, and C) raising the pH of the aqueous product solution with water-soluble base to at least about 10.

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