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Chemical Water and Wastewater Treatment VI pp 223–233Cite as

The Role of Organic Polyelectrolytes in High Rate Alternatives to Primary Separation

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Abstract

Treatment of sewage with a CDS (continuously deflective separator) unit has produced a treated effluent quality of 5 NTU and 20 mg/l TSS at hydraulic loading rates of 57 m3m-2h-1. This performance required the production of strong floes formed using high doses (10 mg/l) of a low charge density (CD), high molecular weight (MW), cationic polyelectrolyte. Laboratory experiments suggested that this dose could be reduced to 2.5 mg/l if a medium CD, very high MW, cationic polyelectrolyte was used. The laboratory tests also indicated that the concentration of residual polyelectrolyte in the treated effluent would be reduced by a factor of ten if very high MW polyelectrolytes were used.

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Authors and Affiliations

  1. CSIRO Molecular Science, Private Bag 10, Clayton South, Victoria, Australia, 3169

    N. S. C. Becker, N. A. Booker, S. R. Gray & C. Ritchie

  2. CDS Technologies, Nepean Hwy, Mornington, Australia

    A. Davey & R. Jago

Authors
  1. N. S. C. Becker
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  2. N. A. Booker
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  3. A. Davey
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  4. S. R. Gray
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  5. R. Jago
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  6. C. Ritchie
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Editor information

Editors and Affiliations

  1. Institut für Siedlungswasserwirtschaft, Universität Fridericiana zu Karlsruhe, Am Fasanengarten, D-76128, Karlsruhe, Germany

    Hermann H. Hahn Ph. D.  & Erhard Hoffmann  & 

  2. Faculty of Civil Engineering Dept. of Hydraulic and Environmental Engineering, Norwegian University of Science and Technology NTNU, S.P. Andersens vei 5, N-7034, Trondheim, Norway

    Hallvard Ødegaard

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© 2000 Springer-Verlag Berlin Heidelberg

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Becker, N.S.C., Booker, N.A., Davey, A., Gray, S.R., Jago, R., Ritchie, C. (2000). The Role of Organic Polyelectrolytes in High Rate Alternatives to Primary Separation. In: Hahn, H.H., Hoffmann, E., Ødegaard, H. (eds) Chemical Water and Wastewater Treatment VI. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-59791-6_21

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  • DOI: https://doi.org/10.1007/978-3-642-59791-6_21

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-64126-8

  • Online ISBN: 978-3-642-59791-6

  • eBook Packages: Springer Book Archive

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