SYNERGETIC EFFECT IN DECOMPOSITION OF ORGANIC COMPOUNDS BY CORONA DISCHARGE AND UV
2003 年 16 巻 1 号 p. 236-240
詳細
2003 年 16 巻 1 号 p. 236-240
The experiment to decompose acetaldehyde and benzene in air was carried out using d.c. corona discharge and UV-254nm. It was found that the removal efficiencies of acetaldehyde and benzene by the simultaneous use of corona discharge and the UV-254 nm showed the significantly higher efficiency than by the use of UV-254 nm or the corona discharge independently. Additionally, the formation of the byproducts in the removal of acetaldehyde was significantly retarded by this simultaneous use. However, many reaction byproducts are formed when if UV-254 nm was replaced to UV-184 nm. As the mechanism of the synergetic effect by the hybrid use of corona discharge and UV-254 nm, the enhancement of ozone oxidation seems negligible from an experiment by ozone oxidation of the same concentration under UV irradiation. Instead, excitation of organic gas molecules induced by UV-254nm may cause the synergetic effect.
