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Research on scale inhibition property of combinations of PASP and AA/AM/MA

Li Bo

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Abstract

Terpolymer of acrylic acid/acrylic amide/malefic anhydride(AA/AM/MA)was synthesized.A new PASP-based composite(PASP+AA/AM/MA)with excellent scale inhibition performance was developed.The scale inhibition of combination of polyaspartic acid(PASP)and acrylic acid/acrylic amide/malefic anhydride(AA/AM/MA)was discussed through the static inhibiting scale experiment.The synergistic effect of PASP and AA/AM/MA inhibitor dispersing agents were studied.The optimum dosage of the combination is: PASP 1 mg/L,and AA/AM/MA 0.5 mg/L.It can be used in water system with high calcium concentration and high alkalinity,and the significant scale inhibition can still be remained even staying in high temperature water system for long resident time.The scales of static water samples were tested in simulation recycling water,and the inhibition rate of CaCO3 is found at 100%.

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What this paper is about

Terpolymer of acrylic acid/acrylic amide/malefic anhydride(AA/AM/MA)was synthesized.A new PASP-based composite(PASP+AA/AM/MA)with excellent scale inhibition performance was developed.The scale inhibition of combination of polyaspartic acid(PASP)and acrylic acid/acrylic amide/malefic anhydride(AA/AM/MA)was discussed through the static inhibiting scale experiment.The synergistic effect of PASP and AA/AM/MA inhibitor dispersing agents were studied.The optimum dosage of the combination is: PASP 1 mg/L,and AA/AM/MA 0.5 mg/L.It can be used in water system with high calcium concentration and high alkalinity,and the significant scale inhibition can still be remained even staying in high temperature water system for long resident time.The scales of static water samples were tested in simulation recycling water,and the inhibition rate of CaCO3 is found at 100%.

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Available abstract

Terpolymer of acrylic acid/acrylic amide/malefic anhydride(AA/AM/MA)was synthesized.A new PASP-based composite(PASP+AA/AM/MA)with excellent scale inhibition performance was developed.The scale inhibition of combination of polyaspartic acid(PASP)and acrylic acid/acrylic amide/malefic anhydride(AA/AM/MA)was discussed through the static inhibiting scale experiment.The synergistic effect of PASP and AA/AM/MA inhibitor dispersing agents were studied.The optimum dosage of the combination is: PASP 1 mg/L,and AA/AM/MA 0.5 mg/L.It can be used in water system with high calcium concentration and high alkalinity,and the significant scale inhibition can still be remained even staying in high temperature water system for long resident time.The scales of static water samples were tested in simulation recycling water,and the inhibition rate of CaCO3 is found at 100%.

Key concepts: Polyaspartic acid, Acrylic acid, Amide, Alkalinity, Chemistry, Nuclear chemistry, Polymer chemistry, Organic chemistry

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