Abstract
Present study investigated the development and use of copper-doped zinc oxide as catalysts to facilitate degradation of real textile wastewater by ozonation. Effect of various operating parameters like catalyst dosage, pH, and ozone dosage was examined. The Cu-doped ZnO removes 89% of COD within 30min of reaction whereas tertiary-butyl alcohol inhibited COD reduction at 10mM concentration under the optimised conditions, indicating that catalytic ozonation follows hydroxyl (OH) radical method for COD reduction. MATLAB ODE45 function was used to draw kinetic plots where catalytic ozonation shows six times higher rate constant. Catalytic ozonation has been successfully implemented at pilot-scale.
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