WATER CLARIFICATION
A method for clarifying water in which the water is contacted with a coagulant/adsorbent which comprises a finely divided particulate mineral, the individual particles of which have a particle size of 10 microns or less and have a thin hydroxylated surface layer having a positive zeta potential at t...
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| Format: | Patent |
| Sprache: | eng ; fre |
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| Zusammenfassung: | A method for clarifying water in which the water is contacted with a coagulant/adsorbent which comprises a finely divided particulate mineral, the individual particles of which have a particle size of 10 microns or less and have a thin hydroxylated surface layer having a positive zeta potential at the adsorption pH, characterized in that an organic polyelectrolyte is added to the water after contact and before separation of the coagulant/adsorbent from the water. |
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