DISINFECTION METHOD OF AMMONIACAL NITROGEN-CONTAINING DISCHARGE WATER

摘要

PROBLEM TO BE SOLVED: To provide a method for surely, easily and economically disinfecting colon bacillus and coliform group in discharge water containing ammoniacal nitrogen.;SOLUTION: A disinfection method of ammonical nitrogen-containing discharge water that includes adding a chemical agent (A) for generating hypochlorous acid ions (OCl^-) in the water and a chemical agent (B) for generating bromide ions (Br^-) in the water to the ammonical nitrogen-containing discharge water to sterilize colon bacillus and coliform group in the discharge water includes adjusting a molar ratio of Cl in the chemical agent (A) and a molar ratio of Br in the chemical agent (B) according to ammonical nitrogen concentration in the discharge water, and adding the chemical agent (A) and the chemical agent (B) to the discharge water.;SELECTED DRAWING: None;COPYRIGHT: (C)2019,JPO&INPIT