Pollution abatement using semiconductor materials as photocatalysts under sunlight has been a subject of great interest. Photocatalytic degradation experiments of water-soluble dyes including Supramine red 3B, Procion brilliant orange Ⅱ, Nylomine blue 2Br and Cibacron brilliant blue KGL together with phenol in the suspension systems of nano-perovskite type ABO3 oxides were carried out in the paper. Photocatalytic oxidation activity of nano-perovskite type ABO3 oxides, their replaced compounds in ...