Abstract
In this work, photocatalytic degradation of Reactive Red 4 (RR4) using immobilized P25 and kronos were performed under fluorescent light sources. The photocatalysis activity for both catalysts was investigated under fluorescent lamp source which consist UV and Visible light. The effect of various parameters such as initial concentration, initial pH and strenght of immobilized plate were studied. The result showed that 90% of RR4 dye was degrade in 1 hr using immobilized/kronos/DSAT at 100 mg L -1 of RR4 dye while 81% degradation was achieved by immobilized/P25/DSAT at the same condition. The lowest pH showed the higher photocatalytic activity. Hence, the effect of dye concentration and pH on the photocatalysis study can be related with the behavior of environmental pollution. The low strength showed by immobilized/P25/DSAT where it remain 37 % as compared with strength of immobilized/kronos/DSAT (52 wt.%). For the future work, the polymer binder like Polyvinyl alcohol (PVA), Polyethylene glycol (PEG), and others polymers can be apply in immobilized study to overcome the strength problem.
Highlights
The development of rapid industrialization in this world will contribute toward the major pollutant.organic dyes are one of the main industrial wastewater pollution
It was observed that 90% of degradation of the Reactive Red 4 (RR4) was achieved by kronos/DSAT
About 81% degradation of RR4 was contributed by P25/DSAT in 1 hr
Summary
The development of rapid industrialization in this world will contribute toward the major pollutant.organic dyes are one of the main industrial wastewater pollution. Despite the industrial are already schemes the various treatment to combat the pollutant the decrease in levels for specific pollutants has not been achieved. This environment problem of wastewater is significant focus by researcher to study toward effective removal and degradation processes [1,2,3]. Heterogenous photocatalysis is the process basically based on generates the hydroxyl radical which is highly oxidizing agents. Heterogenous photocatalysis have gained much attention toward the degradation of water pollution through complete mineralization. This hydroxyl radical will oxidize the organic pollutants into harmless product.
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