Stabilization of aminomethylene phosphonate scale inhibitors aga

Details Stabilization of aminomethylene phosphonate scale inhibitors aga Stabilization of aminomethylene phosphonate scale inhibitors aga

1994-10-06

1995-09-12

Willis, Jr., Prince

Compositions

Water-softening or purifying or scale-inhibiting agents

Plant or organic material containing

252181, 252142, 252 80, 210699, C02F 510

Patent

active

054494761

ABSTRACT:
Aminomethylene 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 aminomethylene phosphonate scale inhibitors.

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