The thesis expatiated on the quality and harm of phenolic wastewater. It was necessary and important to decontaminate the phenolic wastewater. It summarized the productions that many pursuers studied in the field of phenolic wastewater treatment and the traits of diversified technologies. It summed roundly up the theories about Fenton and Photo-Fenton, and the situation and progress in the treatment of refractory-degraded organic pollutant using Fenton and Photo-Fenton reagent.According to literatures, Fent...