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Poly(sodium acrylamidoalkanoates) in water treatment

  • Waste Management
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Abstract

Poly(sodium 6-acrylamidocaproate), poly(sodium 11-acrylamidoundecanoate), poly(sodium 11-N-methylacrylamidoundecanoate) and poly(sodium 11-N-ethylacrylamidoundecanoate) have been synthesized. The performance of these anionic polyelectrolytes as coagulant aids in water treatment was assessed by the jar test. The effects of polymer dosage and pH on their performances were investigated in order to establish the optimum flocculation conditions. The effectiveness of these polyelectrolytes as well as a commercially available cationic polyamine organic coagulant aid was compared in terms of floc size, settling rate and the quality of treated water. Poly(sodium 6-acrylamidocaproate) and poly(sodium 11-acrylamidoundecanoate) were superior to poly(sodium 11-N-methylacrylamidoundecanoate) and poly(sodium 11-N-ethylacrylamidoundecanoate), and they are as effective as the commercial cationic coagulant aid.

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Authors and Affiliations

  1. Jalan Besut, Jurong Industrial Estate, Albright & Wilson Asia Pte Ltd. No 6, 2261, Republic of Singapore

    K. W. Yeoh

  2. Department of Chemistry, National University of Singapore, Kent Ridge, 0511, Republic of Singapore

    C. H. Chew, T. L. Tan & L. L. Koh

Authors
  1. K. W. Yeoh
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  2. C. H. Chew
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  3. T. L. Tan
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  4. L. L. Koh
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Yeoh, K.W., Chew, C.H., Tan, T.L. et al. Poly(sodium acrylamidoalkanoates) in water treatment. Environ Monit Assess 19, 215–224 (1991). https://doi.org/10.1007/BF00401313

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  • DOI: https://doi.org/10.1007/BF00401313

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