| abstract |
It is an object of the present invention to provide a sterilizing water producing device capable of achieving miniaturization of the sterilizing water producing device, improvement of the sterilizing water producing ability and compatibility of electrodes for producing sterilizing water at a high level. A sterilizing water producing device for directly generating water containing chloride ions to generate chlorine in the anode and generating sterilizing water of hypochlorous acid by reaction between the chlorine and water, And a control means for generating a hypochlorous acid in the electrolytic layer by conducting electricity to the electrode, wherein the control means controls the current density of the electrode to be 7 A / dm 2 to 20 A / dm 2 , and further performing a pole change for switching between the positive electrode and the negative electrode of the electrode, wherein the catalyst layer of the electrode is made of a metal containing at least iridium oxide, rhodium oxide and tantalum oxide and / Or a metal oxide, and the concentration of the platinum element in the composite is less than 4 mol%. |