Chlorination of water

acid action added addition aftergrowth ammonia amount apparatus approximately available chlorine average bacteria bleach c.cms calcium carbonic cause cells cent chemical chloramine chlorinated water coli colour compared complaints compounds concentration constant contact period containing cost determined Diagram dilute discharge disinfection dosage effect efficiency electrolytic equal evidence excess experiments filter forms free chlorine gallons given Health hypochlorite hypochlorous acid increase indicated less liquid chlorine loss method million minutes mixing necessary obtained occur operation organic matter orifice Ottawa oxidising oxygen p.p.m. of available passed pipe plant possible pounds practice prepared present pressure produced quantities ratio reaction reduced regarding removed reported results obtained River salt samples sewage shown similar sodium sodium hypochlorite solution standard storage supply TABLE tank temperature tion treated treatment types typhoid usually valve various water supply