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normal chlorine levels in drinking waterAlso, the typical removal shade by use of naturally processes acquired only 70%, which are recommended potential of making use of nanofiltration for message processing treatment. The high quality of the dealt with wastewater can be improved if the advanced procedures are integrated with them. The use of ultrafiltration process can not substantially minimize the COD of the physicochemical cured water. Nonetheless, utilizing nanofiltration membrane layers, the COD concentration can significantly be reduced in such ways that penetrate of the nanofiltration membrane layer could be recycled in the sector. The combination of the physicochemical treatment and also the nanofiltration results in a COD removal of practically 100%. Also, a contrast in between the function of the activated sludge treated wastewater incorporated with nanofiltration and ozonation procedures have actually been researched.