Advanced Oxidation Processes offers alternate treatment for pollutants in textile wastewaters, which commonly contains high concentrations of recalcitrant organic and inorganic chemicals and are characterised by high chemical oxygen demand (COD) and total organic carbon (TOC), high amounts of surfactants, dissolved solids, heavy metals and strong colour. AOPS processes are combination of ozone (O3), hydrogen peroxide (H2O2) and UV irradiation. These oxidants effectively decolorized dyes, however do not remove COD completely.

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