Research Progress in Advanced Oxidation Technology for Treatment of Coal Chemical Industry Wastewater

The advanced oxidation technology is a new green water treatment technology that can overcome disadvantages of traditional physical-chemical method and biological method,and improve wastewater biodegradability and degradation efficiency of coal chemical industry wastewater.In this paper,ozone and heterogeneous catalytic ozone oxidation technology,catalytic wet oxidation technology,advanced oxidation processes,electrochemical oxidation technology,photocatalysis oxidation technology,supercritical water oxidation technology,Fenton oxidation technology were described and compared.And in order to promote the industrialization of the advanced oxidation technology,some suggestions about further research were proposed,such as in-depth study on reaction mechanism of the advanced oxidation technology,optimization of reaction equipments and reducing the cost.