| abstract |
An object of the present invention is to easily decompose organic substances in water, particularly harmful organic compounds which are hardly decomposable, and to detoxify pathogenic microorganisms in water in a short time. A water treatment apparatus having an ultrasonic irradiation device for irradiating ultrasonic waves into water in which titanium dioxide exists is provided with an oxidizing agent adding means for adding an oxidizing agent to water to be treated. [Selection diagram] Fig. 1 |