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International Journal of Environment Science and Technology
Center for Environment and Energy Research and Studies (CEERS)
ISSN: 1735-1472
EISSN: 1735-1472
Vol. 2, No. 3, 2005-2006, pp. 245-251
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Bioline Code: st05034
Full paper language: English
Document type: Research Article
Document available free of charge
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International Journal of Environment Science and Technology, Vol. 2, No. 3, 2005-2006, pp. 245-251
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Decolorization of simulated spent reactive dye bath using solar / TiO2 / H2O2
S. Sreedhar Reddy and B. Kotaiah
Abstract
Different parameters were investigated to evaluate their effect on the process removal efficiency of reactive dye from simulated spent reactive dyebath, bysolar / TiO2 / H2O2, including H2O2 concentration, TiO2 loading and pH.As a result 99%ofreactive dye can beremoved at a TiO2 loading of 400mg/l, H2O2 concentration of150 mg/l and ofpH: 5.2. The effect of photo-catalytic deactivation of TiO2 on reactive dye removal was studied for ten number of cycles, and found that the extent of deactivation was high for each consecutive repeated use.
Keywords
solar / TiO2 / H2O2, photo catalytic deactivation, irreversible electron acceptors, electron-hole reversal process
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