Abstract
AbstractIn the present study, effects of operational parameters on the electrical energy consumption for photooxidative process (UV/H2O2) for the decolorization of C. I. Acid Red 88 (AR88) have been investigated. In a series of experiments, 20 mg L−1 of AR88 solution were irradiated in the presence of different concentrations of H2O2 (to find out optimum amount of H2O2) by UV light intensity of 30 W m−2 for certain irradiation times. The decolorization of the dye followed pseudo first‐order kinetics, and hence, the figure‐of‐merit electrical energy per order (EEO) is appropriate for estimating the electrical energy efficiency. The electrical energy consumption was determined during the variation of some parameters such as initial H2O2 concentration, initial dye concentration, UV light intensity, pH, and the gap size of solution. Results showed that electrical energy could be reduced by optimizing operational parameters.
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