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Effects of Ozone Pretreatment on M-aminophenol in Aqueous Solution Under Magnetic Stirring: Influencing Factors and Optimality Conditions

The ozone degradation of 3-aminophenol (MAP) in aqueous solution by magnetic stirring was investigated in laboratory-scale experiment. The effects of pH value, the initial concentration of MAP, ozone dosage, reaction temperature and common inorganic anions or cations were studied. The chemical oxygen demand (COD) level reduce about 40% in 30 minutes. The relation between the degradation of MAP and COD by ozone is also presented.