Abstract
Photocatalytic oxidation of SO2 and/or cis-2-butene with TiO2 (anatase) was studied in connection with photochemical air pollution. The following results were obtained;(1) Most of cis-2-butene was oxidized to CO2 with O2 in the presence of TiO2 under photoirradiation with a high pressure mercury lamp.(2) SO2 was also oxidized to SO3 photocatalytically.(3) The presence of SO2 reduced the photocatalytic effect of TiO2 on the oxidation of cis-2-butene.
