Add time:08/30/2019         Source:sciencedirect.com

Advanced oxidation processes (AOPs) have proved very effective in the treatment of the various hazardous organic pollutants in water. The photoelectrocatalytic degradation of azo dye acid Red 17 (cas 1342-80-9) (AR-17) with ammonium persulphate (APS) was studied. Various operational parameters effect on the photoelectrocatalytic degradation rate, such as pH and the amount of APS oxidant, were investigated. The rate of degradation of dye with these composites followed pseudo-first order kinetics in the dye concentration. The results were observed and it was found that the dye decolorization was enhanced using pH 2.0. Also, the degradation rates were found to be strongly influenced by the increasing of the APS oxidant. The addition of (NH4)2S2O8 considerably increased the removal effectiveness due to the generation SO4− radicals.

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