in a satisfactory reduction of unwanted or toxic ions. Silver and mercury will be totally removed while lead and copper levels (excluding nickel) will fall below the guidelines set.
action of prechlorination ... CAG, Nanofiltration, Remineralisation, Drinking water, Filtration, Coagulation-flocculation, Settling, Sand filtration, Carbonate removal, Prechlorination ... CAG Nanofiltration Remineralisation Drinking water Filtration Coagulation-flocculation Settling Sand filtration Carbonate removal Prechlorination...