Document Type : Research Article
Department of Chemical Technologies, Iranian Research Organization for Science and Technology (IROST), Tehran, I.R. IRAN
Catalytic ozonation has been used for the removal of pollutants in water and wastewater treatment. In this research, Mn3O4 nanocatalyst was synthesized by coprecipitation method by using Mn(CH3COO)2.4H2O and characterized by Field Emission Scanning Electron Microscope (FESEM), Fourier Transform InfraRed (FT-IR) spectroscopy, X-Ray Diffraction (XRD) and Energy Diffraction X-ray (EDX). According to the SEM image the morphology of Mn3O4 nanocatalyst has been nano spherical and an average diameter of about 10-20 nm. The Mn3O4 nanocatalysts were applied for degradation of phenol in aqueous solution. The concentration of phenol in solution at 60 minutes was obtained 98.43 % where increase 16.98 % compared with single ozonation (without catalyst). Also, the mineralization of phenol by catalytic ozonation has been used synthesized catalysts amount 32.5 % increasing indicate the effects applied catalysts for degradation phenol.