TREATMENT APPARATUS OF BOILER FEED WATER

摘要

PROBLEM TO BE SOLVED: To provide a boiler feed water treatment apparatus which can the corrosion of a boiler pipe and prevent scale without adding an alkaline chemical, and can produce alkaline water having excellent properties as supply water for a boiler. SOLUTION: This boiler feed water apparatus includes an electric deionizer 101, which can produce treated water having a pH higher than that of water to be treated by 1.0 or more when the water to be treated having a pH equal to or lower than 8.5 is treated without adding the alkaline chemical. The alkaline water obtained by the electric deionization of the water to be treated with the electric deionizer 101 is used as the supply water.