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Article | REF: C5201 V1

Distribution water - Specific treatments

Author: Hugues GODART

Publication date: May 10, 2000 | Lire en français

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    3. Treatment by-products

    Box 1 – Identifying treatment by-products

    1.solid by-products

    • Hydroxide sludge :

      • from conventional processes: essentially floc accumulations collected at the bottom of decanters and containing :

        • suspended matter in the river,

        • those which were in solution and which we managed to render insoluble and decant during processing,

        • powdered activated carbon with organic matter trapped in its pores,

        • iron or aluminium hydrate precipitates formed by coagulating reagents;

      • from specific processes: deferrisation, demanganisation.

    • ...

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