If the bromide ion concentration is not regulated, it will be the concentration of bromates (usually absent from raw water but formed mainly during ozonation) that is limited throughout the European Union ... Potable water ... Filtration Preozonation Nanofiltration Drinking water Coagulation-flocculation Reverse Osmosis Carbonate removal GAC...

It was just noted that lead is not difficult to remove but that, in fact, it is rarely found in raw water: it is most frequently caused by the dissolution (corrosion, see lead.) that occurs during distribution ... Potable water ... CAG Nanofiltration Remineralisation Drinking water Filtration Coagulation-flocculation Settling Sand filtration Carbonate removal Prechlorination...

has to be carried out at the same time (brackish water). Nitrate Removal using ion exchange and the resins that can be used to produce drinking water have been approved in a number of countries. Before ... Potable water ... Filtration Ozonation Nitrazur Pulsator Drinking water Settling Denitratation Disinfection Denitrification Carbazur GAC Carbonate balance...

) used for system design flotation During the 1960’s, flotation was developed in Scandinavia in order to supply towns with drinking water and some industries (especially paper mills) with process ... Potable water ... Pulsator Turbocirculator Filtration Clarification Drinking water Surface water Grit removal Oil removal Aquazur Pulsatube Settling Flotation Settling tanks...

, nitrification during drinking water production takes place through filters (attached growth) that are either dedicated by selecting granular media (biolite) that encourages bacterial attachment, or through sand ... Potable water ... Nitrification Biolite Densadeg Clarification Nitrazur Filtration Filtrazur Drinking water Oxidation Carbazur Disinfection Iron removal Manganese removal GAC...

removal inhibitors are present from time to time (refer to the Hanningfield (UK) example provided further on). For drinking water treatment, it will be necessary to: either decarbonate completely ... Potable water ... Gyrazur Clarification Densadeg Preozonation Pulsator Filtration Aquazur Drinking water Carbonate removal Settling Oxidation Chlorine Carbazur Iron removal Manganese removal GAC...