Stabilization of hydroxyalkylidene phosphonate scale inhibitors

Details Stabilization of hydroxyalkylidene phosphonate scale inhibitors Stabilization of hydroxyalkylidene phosphonate scale inhibitors

1994-10-21

1995-08-08

Willis, Jr., Prince

Compositions

Water-softening or purifying or scale-inhibiting agents

Plant or organic material containing

C02F 510, C02F 514

Patent

active

054396115

ABSTRACT:
Hydroxyalkylidene phosphonates, which give excellent inhibition of the formation, deposition and adherence of scale-forming salts, especially calcium carbonate, in aqueous systems, are degraded by the oxidizing biocides bromine and chlorine used to control microbial growth in such aqueous systems. It has been found that organic sulfonamides provide excellent protection against such degradation when they are added to the aqueous system along with the hydroxyalkylidene phosphonate scale inhibitors.

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