Abstract
Photocatalytic degradation of organophosphate pesticides (Chlorpyrifos) using synthesized zinc oxide nanoparticle by membrane filtration reactor under UV irradiation
Highlights
Pesticide pollution emerges as the serious environmental concern
The present study focuses on the synthesis of zinc oxide (ZnO) nanoparticles by sonochemical method using Zinc Nitrate Hexahydrate (Zn (NO3)2. 6H2O) as a precursor of zinc and the characterization of ZnO by different characterizing tools
Zinc oxide nanoparticle has been successfully synthesized by sonochemical method, characterized and used as a photocatalyst for the degradation of pesticide
Summary
Pesticide pollution emerges as the serious environmental concern. Degradation and mineralization of pesticide contaminants has becomes the key concern of scientific community. The main cause of pesticide pollution is the excessive use of pesticide, by-products and intermediated form during the degradation [1]. Surface area plays an important role in the photocatalytic activity, due to that focus hadbeen shifted towards the semiconducting nanomaterial because of their high surface to volume ratio [7]. A high surface-to-volume ratio (SVR) is required for a contaminant molecule to be adsorbed on to the surface of photocatalyst for the redox reactions (Oxidation and Reduction) to occur for the complete degradation/mineralization of the contaminant [8,9]. Higher the catalytic surface area, higher will be the adsorption of target molecules on the surface, leading better photocatalytic activity and complete degradation of contaminant [10]. There is need for the alternative method for complete mineralization of pesticides into
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