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Title: Copper pyrovanadate as an effective photo-Fenton-like catalyst for degradation of methylene blue
Authors: Kalal, Sangeeta
Chauhan, Narendra Pal Singh
Pandey, Arpita
Ameta, Rakshit
Punjabi, Pinki Bala
Keywords: Catalysts;Photocatalysts;Degradation;Dye degradation;Methylene blue
Issue Date: 17-Aug-2015
Publisher: NISCAIR-CSIR, India
Abstract: Visible light-based photo-Fenton-like catalytic performance of Cu3V2(OH)2O7.2H2O is investigated using methylene blue as the target pollutant. Specific surface area, structure, and particle size distribution of the catalysts and its components are investigated by techniques such as standard Brunauer-Emmett-Teller isotherms, X-ray diffraction, scanning electron microscope and energy dispersive X-ray spectroscopy Under optimized conditions in the Cu3V2(OH)2O7.2H2O-H2O2-visible light system, the degradation efficiency and the pseudo first-order rate constant are found to be 69.07% and 4.23×10-4 s-1 respectively. The new bifunctional material is found to be a promising material for use as a Fenton-like catalyst for the degradation of organic contaminant in waste water. Copper and vanadium leaching from the catalyst is almost negligible, which demonstrates the stability of the catalyst; the catalyst is very stable and can be reused for at least four cycles when operated under near neutral pH.
Page(s): 1057-1061
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.54A(08) [August 2015]

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