Method and device for producing ozone by photocatalyst

Abstract

Abstract PURPOSE:To efficiently produce ozone with the title relatively convenient device by passing an oxygen-contg. gas over a photo-catalyst under the irradiation of UV rays. CONSTITUTION:A gas contg. oxygen and/or peroxides is sent over the photocatalyst material 2 from a fluid inlet 1 at specified flow rate and flow velocity, UV rays are radiated onto the photocatalyst material 2 from an UV lamp 3, 0.1-30 KV voltage is impressed on a discharge electrode 4 to form an electric field in the vicinity of the photocatalyst material 2, and a refrigerant is circulated from an inlet 6 to an outlet 9 to cool a wall surface 8. Consequently, ozone is generated in the vicinity of the photocatalyst material 2, and recovered from an upper outlet 5. One or >=2 kinds selected from Se, Ge, Si, Ti, Zn,Cu Sn, Al, Ga, In, P, As, Sb, C, Cd, S, Te, and/or their compds. are used for the photocatalyst material 2. Besides, tungsten wire is used for the discharge electrode 4.

Inventors

• 👤 Toshiaki Fujii
• 👤 敏昭 藤井

Bibliographic Details