Dainichiseika Color & Chemicals Mfg. Co., Ltd.

Futamura Kagaku Kabushiki Kaisha

Ryuta Nishide

Jun Izumi

Akira Nishio

Toru Kawakami

Yusuke Ideta

Seigo Miyashita

Satoru Nakayasu

The present invention provides a method for performing a purification treatment on a harmful substance-containing liquid, the method enabling an efficient purification treatment of a harmful substance-containing liquid by using dissolved ozone being an oxidizing agent with high level of safety, and a harmful substance-containing liquid purification treatment apparatus for carrying out the method. A method for performing a purification treatment on a harmful substance-containing liquid, the method comprising adding and mixing dissolved ozone into a harmful substance-containing liquid containing a harmful substance, thereafter bringing the harmful substance-containing liquid into contact with a transition metal-containing oxide having a BET specific surface area of 80 m/g or more, adsorbing ozone, and adsorbing a harmful substance, and then allowing the harmful substance-containing liquid to flow to accelerate oxidation of the harmful substance by dissolved ozone, thereby performing a highly efficient oxidative decomposition, and a harmful substance-containing liquid purification treatment apparatus for carrying out the method.

Purification treatment method of liquid containing harmful substance, and purification treatment device of liquid containing harmful substance for carrying out said method

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Nagasaki, Japan

Ryuta Nishide