disinfection, chlorine, chloramine, ozonation, reverse osmosis, filtration, fluoride, clarifier, orthophosphate, clarifiers, sodium hypochlorite, flocculation, potability, sewage, effluent, water, wastewater, activated sludge, turbidity, pasteurisation, sewerage, ecoli, backflow, groundwater, fluoridation, water softener, hypochlorite, leachate, coliform bacteria, siphonage, nitrification, sewage disposal, influent, aeration, arsenic, coliform, denitrification, pasteurizing, demineralisation, ammonia, outfall, recirculation, germicide, chlorine dioxide, demineralization, larvacide, calcium hypochlorite, contaminants, reticulation, bleaching powder, nitrate, softener, purification, lincomycin, drainage, sewer, pasteurization, ultrafiltration, potassium permanganate, cryptosporidiosis, bromate, heptachlor, carbon tetrachloride, irrigation, radium, upflow, flushing, contamination, mythe, waterlines, calcium nitrate, electrodialysis, microbiological, sanitary, chloride, raffinate, lagoons, sanitization, aquifer, sanitation, sedimentation, acetonitrile, fogging, septic tank, diking, hydrofluoric acid, drinking, dialysate, alkalinity, bacteria, leaching, handwash, oxygenation, decantation, perchlorate, copper sulphate, seawater, disinfectant, biocide, dehydrogenation, tritium, sumps, nitration, hydrogenation, pyrolysis, sintering, drying, alkylation, distillation, gasification, quenching, electrolysis, evaporation, fission, grouting, oxidation, polymerisation, polymerization, scission, spraying, anneal

prechlorination

prechlorination

chemical action, chemical change, chemical process