Dyestuffs are widely used in food,cosmetic and dyeing industries,due to its complex molecular structure,high chromaticity,high toxicity and poor biochemical properties.A large number of dyes have serious effects on the environment in their production process and in the wastewater produced during their use.This paper presents several common methods currently used to treat dye wastewater,such as physical,chemical and biological methods.It mainly focuses on the electrocatalytic technology,including its degradation mechanism,the research progress of electrode materials,and the current research status of treating dye wastewater.Then the current research of dye wastewater treatment technology is summarized,and the prospect of the related treatment technology is put forward.
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