| abstract |
(57) [Summary] [PROBLEMS] To prevent the elution of metal substances constituting equipment, Reduce the amount of rust generated. At least each device (for example, a pipe, a steam generator, a high pressure turbine, a moisture separation heater, a low pressure turbine, a condenser, and a deaerator) provided in a water loop is provided. A part is coated with a substance containing a photocatalytic substance that generates electrons by irradiation of light or radiation, and the surface of the photocatalytic substance coated with the substance is irradiated with light or radiation, and each device is charged. The metal constituting the device is prevented from being eluted into the water loop 41. |