Water clarification coagulant/adsorbent
AssigneeCommonwealth Scientific and Industrial Research Organization
InventorsDonald E. Weiss, Luis O. Kolarik, Anthony J. Priestley, Nevil J. Anderson
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Abstract
A particulate coagulant/adsorbent for removing suspended impurities and colored substances from water by coagulation comprises a finely divided particulate mineral or clay material, the individual particles of which have been treated to produce a thin hydroxylated surface layer having a positive zeta potential at the adsorption pH. A process and an apparatus for water treatment utilizing the coagulant/adsorbent and providing for regeneration and recycling thereof are also described.
Claims7
A particulate coagulant/adsorbent suitable for removing suspended impurities and coloured substances from water by coagulation which comprises a finely divided particulate mineral or clay material, the individual particles of which have a particle size of 10 microns or less and have been treated to produce a thin hydroxylated surface layer derived from the substance of the particulate mineral or clay material and having a positive zeta potential at the adsorption pH (as hereinbefore defined).
Dependencies are inferred from the claim text.