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Photodegradation Efficiency of Prepared and Commercial ZnO to Remove Textile Dye from Aqueous Solution

Jalil Miah, Md Kayes, Md Obaidullah, Md Hossain
2016 Journal of Advanced Chemical Sciences   unpublished

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Commercial ZnO (c-ZnO) and prepared ZnO (p-ZnO) were applied under UV and solar light irradiation for evaluating the heterogeneous photocatalytic degradation of Remazol Black B (RBB) solutions. A comparative study of the experimental results demonstrates that, c-ZnO is more efficient for removing RBB than p-ZnO. The effects of various operational parameters such as the concentration of RBB, amount of ZnO and irradiation time have been studied and the optimized conditions for maximum removal of
more » ... he RBB were determined and compared. The photodegradation kinetics was studied with modified Langmuir-Hinshelwood mechanism, which reveals the pseudo first order kinetics for photodegradation of RBB in the presence of p-and c-ZnO. Furthermore, Experimental results also demonstrate that photocatalytic activity for both types of ZnO is higher under solar light irradiation as compared to UV light.
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Jalil Miah, Md Kayes, Md Obaidullah, Md Hossain. "Photodegradation Efficiency of Prepared and Commercial ZnO to Remove Textile Dye from Aqueous Solution." Journal of Advanced Chemical Sciences (2016)