METHOD FOR TREATING PURIFIED WATER

摘要

PROBLEM TO BE SOLVED: To provide a method for treating purified water capable of achieving a high treatment effect even at a low equipment cost.SOLUTION: A method for treating purified water sequentially circulates introduced raw water in a plurality of pools and treats each of the pools as purified water in a circulation process. The method for treating purified water, after adding hypochlorite to treated water, performs ultraviolet irradiation treatment using a medium-voltage ultraviolet lamp.