Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY
Volume 114, Issue -, Pages 102-107Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotobiol.2012.05.016
Keywords
Photoelectrocatalysis; Zinc oxide; Textile effluent; Decolorization; FTIR; Phytotoxicity
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Zinc oxide (ZnO) thin films have been successfully deposited onto fluorine doped tin oxide coated glass at substrate temperature of 400 C and used as electrode in photoelectrocatalytic reactor. The untreated textile effluent was circulated through photoelectrocatalytic reactor under UVA illumination for the decolorization and degradation. Textile effluent was decolorized by 93% within 3 h at room temperature with significant reduction in COD (69%). High performance liquid chromatography (HPLC) and Fourier transform infrared spectroscopy (FTIR) analysis of samples before and after decolorization confirmed the degradation of dyes molecules from textile effluent into simpler oxidizable products. Phytotoxicity study revealed reduction in toxic nature of textile effluent after treatment. (C) 2012 Elsevier B.V. All rights reserved.
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