Non-phosphorus corrosion and scale inhibitor for low-hardness water system industrial recycling cooling water
A technology of phosphorus-free corrosion and scale inhibitor, which is applied in the formulation of phosphorus-free corrosion and scale inhibitor, low hardness circulating cooling water, and phosphorus-free corrosion and scale inhibitor, can solve the problem that the effect of corrosion inhibitor cannot meet the field industrial application. , failure to form an effective system, etc., to avoid eutrophication and heavy metal pollution, to protect the environment, and to achieve good stability.
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[0016] Example one:
[0017] The concentration of 30% AMPS, acrylic acid, maleic acid, sodium allyl sulfonate AMPS-AA-SAS-MA low molecular weight quaternary copolymer aqueous solution 10%; AMPS-AA-SAS-MA low molecular weight quaternary The copolymer is a commercially available product with a molecular weight between 3000 and 5000; a 50% polyaspartic acid solution 15%, long-chain alkyl sulfonate 10%, N-long-chain alkyl amino carboxylate 5%, polyhydroxy carboxylate 5%, tungstate 3%, zinc salt 2%, pH stabilizer 1%, water 49%, add them to the beaker in turn, stir evenly to obtain the required phosphorus-free corrosion and scale inhibition Agent.
Example Embodiment
[0018] Embodiment two:
[0019] The concentration of 30% acrylic acid, maleic acid, sodium allyl sulfonate AMPS-AA-SAS-MA low molecular weight quaternary copolymer aqueous solution 15%; AMPS-AA-SAS-MA low molecular weight quaternary copolymer The molecular weight is between 3000~5000; the concentration of 50% polyaspartic acid solution 10%, long-chain alkyl sulfonate 15%, N-long-chain alkyl amino carboxylate 5%, polyhydroxy carboxylic acid Salt 10%, tungstate 2%, zinc salt 2%, pH stabilizer 1%, water 40%, add them to the beaker in turn, stir evenly to obtain the required phosphorus-free corrosion and scale inhibitor.
Example Embodiment
[0020] Embodiment three:
[0021] The concentration of 30% acrylic acid, maleic acid, sodium allyl sulfonate AMPS-AA-SAS-MA low molecular weight quaternary copolymer aqueous solution 20%, AMPS-AA-SAS-MA low molecular weight quaternary copolymer The molecular weight is between 3000~5000; the concentration of 50% polyaspartic acid solution 10%, long-chain alkyl sulfonate 5%, N-long-chain alkyl amino carboxylate 10%, polyhydroxy carboxylic acid Salt 10%, tungstate 2%, zinc salt 2%, pH stabilizer 1%, water 40%, add them to the beaker in turn, stir evenly to obtain the required phosphorus-free corrosion and scale inhibitor.
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