Journal
CHINESE JOURNAL OF CHEMICAL ENGINEERING
Volume 22, Issue 8, Pages 909-913Publisher
CHEMICAL INDUSTRY PRESS
DOI: 10.1016/j.cjche.2014.06.015
Keywords
Bismuth vanadate; Photocatalytic properties; Sol-gel method
Categories
Funding
- Education Department of Heilongjiang Province [12541111]
- Program for Innovative Research Team in University of Heilongjiang Province [2013TD008]
- Key Laboratory of Green Chemical Engineering and Technology of College of Heilongjiang Province, Harbin University of Science and Technology
- Technology and Innovative Experimental Project of Harbin University of Science and Technology
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In this work, BiVO4 powders were synthesized by a sol-gel method, and the BiVO4 gels with different calcination temperature were investigated by X-ray diffraction (XRD). Absorption range and band gap energy, which are responsible for the observed photocatalyst behavior, were investigated by UV/vis diffuse reflectance spectroscopy (DRS) for pure and silver oxide loaded BiVO4. Photocatalytic properties of the prepared samples were examined by studying the degradation of the methyl orange. When using NaClO2 as an electron acceptor, the possible photocatalytic mechanism has been discussed by photocatalytic reactions. With the help of electron acceptor, the results show clearly that the BiVO4 loaded silver oxide exhibited superior photocatalytic activity in simulated dye wastewater treatment. (C) 2014 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved.
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