Optimum Dioxide Titanium Nanoparticles in Dioxide Titanium /Bentonite Composite for Sono Photo Catalytic De-Colorization of Methyl Orange dye
Subject Areas :
environmental management
Mehran yousefi
1
(
M.Sc., Chemical Engineering, University of Mohaghegh Ardabili, Ardabil, Iran
)
mohammad ghorbanpour
2
(
Associate Professor, Chemical Engineering, University of Mohaghegh Ardabili, Ardabil, Iran
)
Received: 2018-09-03
Accepted : 2019-06-26
Published : 2020-08-22
Keywords:
Titanium dioxide,
composites,
bentonite,
Sono Photo Catalytic,
Abstract :
Background and Objectives: Dye is considered as one of the most important environmental pollutants in industrial wastewater due to its harmful effects on both human and environment. This study was aimed to determine Optimum Dioxide Titanium Nanoparticles in Dioxide Titanium /Bentonite Composite for sono photo catalytic de-colorization of Methyl Orange dye.
Methods: In this study, bentonite was used as the substrate to stabilize titanium dioxide photo catalyst and the optimum amount of stabilized titanium dioxide nanoparticles in titanium dioxide/ bentonite composite was evaluated for sono photo catalytic removal of methyl orange dye. Accordingly, the optimal conditions for the photo catalytic process performance in dye removal included the effect of pH, methyl orange concentrations and nanocomposite doses.
Findings: Structural properties of bentonite/titanium dioxide composites and pure titanium dioxide nanoparticles were investigated using scanning electron microscope (SEM), Diffuse Reflectance Spectroscopy (DRS) and Xray diffraction (XRD). Finally, the possibility of reuse of photo catalyst was investigated in three periods. Based on SEM results, reducing the amount of titanium dioxide reduced the number of nanoparticles formed on the bentonite surface. XRD and DRS analyses showed successful composite formation. The optimum amount of titanium dioxide nanoparticles in titanium dioxide/bentonite composite was obtained for sono photo catalytic dye removal of methyl orange with the titanium dioxide powder to bentonite ratio of 1: 2.5 in the primary mixture.
Discussion and Conclusion: The study showed that increasing the amount of photo catalyst in the reaction medium increased the speed and efficiency of the dye removal but its excessive increase had a negative effect on the reaction. The best conditions for dye degradation were obtained using titanium dioxide/bentonite nanocomposite at pH 4. According to the results, the increase in concentration increased dye removal time. Finally, the sono photo catalytic composite efficiency was acceptable after three times of reuse.
References:
منابع
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Pouraboulghasem, H., Ghorbanpour, M., Shayegh, R. and Lotfiman, S., 2016. Synthesis, characterization and antimicrobial activity of alkaline ion-exchanged ZnO/bentonite nanocomposites. Journal of Central South University, Vol. 23(4), pp.787-792.
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Babel, S. and Kurniawan, T.A., 2003. Low-cost adsorbents for heavy metals uptake from contaminated water: a review. Journal of hazardous materials, Vol. 97(1-3), pp.219-243.
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Sun, Z., Chen, Y., Ke, Q., Yang, Y. and Yuan, J., 2002. Photocatalytic degradation of a cationic azo dye by TiO2/bentonite nanocomposite. Journal of Photochemistry and Photobiology A: Chemistry, Vol. 149(1-3), pp.169-174.
Dunlop, P.S., McMurray, T.A., Hamilton, J.W. and Byrne, J.A., 2008. Photocatalytic inactivation of Clostridium perfringens spores on TiO2 electrodes. Journal of Photochemistry and Photobiology A: Chemistry, Vol.196 (1), pp.113-119.
Qamar, M. and Muneer, M., 2009. A comparative photocatalytic activity of titanium dioxide and zinc oxide by investigating the degradation of vanillin. Desalination, Vol. 249(2), pp.535-540.
_||_
منابع
Herrera, P., Burghardt, R.C. and Phillips, T.D., 2000. Adsorption of Salmonella enteritidis by cetylpyridinium-exchanged montmorillonite clays. Veterinary microbiology, Vol. 74(3), pp.259-272.
Yousofi, M. and Lotfiman, S., 2017. Photocatalytic Decolorization of Methyl Orange by Silica-Supported TiO2 Composites. Journal of Ultrafine Grained and Nanostructured Materials, 50(1), pp.43-50.
Mrowetz, M., Pirola, C. and Selli, E., 2003. Degradation of organic water pollutants through sonophotocatalysis in the presence of TiO2. Ultrasonics sonochemistry, Vol. 10(4-5), pp.247-254.
4 Kaur, S. and Singh, V., 2007. Visible light induced sonophotocatalytic degradation of Reactive Red dye 198 using dye sensitized TiO2. Ultrasonics sonochemistry, Vol. 14(5), pp.531-537.
5 Ghorbanpour, M. and Lotfiman, S., 2016. Solid-state immobilisation of titanium dioxide nanoparticles onto nanoclay. Micro & Nano Letters, Vol. 11(11), pp.684-687.
Taufik, A., Muzakki, A. and Saleh, R., 2018. Effect of nanographene platelets on adsorption and sonophotocatalytic performances of TiO2/CuO composite for removal of organic pollutants. Materials Research Bulletin, Vol. 99, pp.109-123.
Taufik, A., Muzakki, A. and Saleh, R., 2018. Effect of nanographene platelets on adsorption and sonophotocatalytic performances of TiO2/CuO composite for removal of organic pollutants. Materials Research Bulletin, Vol. 99, pp.109-123.
Pouraboulghasem, H., Ghorbanpour, M., Shayegh, R. and Lotfiman, S., 2016. Synthesis, characterization and antimicrobial activity of alkaline ion-exchanged ZnO/bentonite nanocomposites. Journal of Central South University, Vol. 23(4), pp.787-792.
Rahman, A.H., Misra, A.J., Das, S., Das, B., Jayabalan, R., Suar, M., Mishra, A., Tamhankar, A.J., Lundborg, C.S. and Tripathy, S.K., 2018. Mechanistic insight into the disinfection of Salmonella sp. by sun-light assisted sonophotocatalysis using doped ZnO nanoparticles. Chemical Engineering Journal, Vol. 336, pp.476-488.
Gilani, S., Ghorbanpour, M. and Jadid, A.P., 2016. Antibacterial activity of ZnO films prepared by anodizing. Journal of Nanostructure in Chemistry, Vol. 6(2), pp.183-189.
Oppenländer, T., 2007. Photochemical purification of water and air: advanced oxidation processes (AOPs)-principles, reaction mechanisms, reactor concepts. John Wiley & Sons.
Gao, Y., Luo, H., Mizusugi, S. and Nagai, M., 2008. Surfactant-free synthesis of anatase TiO2 nanorods in an aqueous peroxotitanate solution. Crystal Growth and Design, Vol. 8(6), pp.1804-1807.
Shan, A.Y., Ghazi, T.I.M. and Rashid, S.A., 2010. Immobilisation of titanium dioxide onto supporting materials in heterogeneous photocatalysis: a review. Applied Catalysis A: General, Vol. 389(1-2), pp.1-8.
Ghorbanpour, M., Mazloumi, M. and Nouri, A., 2017. Silver-Doped Nanoclay with Antibacterial Activity. Journal of Ultrafine Grained and Nanostructured Materials, Vol. 50(2), pp.124-131.
Garshasbi, N., Ghorbanpour, M., Nouri, A., and Lotfiman, S. 2017. Preparation of Zinc Oxide-Nanoclay Hybrids by Alkaline Ion Exchange Method. Brazilian Journal of Chemical Engineering, vol. 34(4), pp. 1055-1063.
Ghorbanpour, M., Moghimi, M. and Lotfiman, S., 2017. Silica-supported copper oxide nanoleaf with antimicrobial activity against Escherichia coli. Journal of Water and Environmental Nanotechnology, Vol. 2(2), pp.112-117.
Wang, Z., Liu, S., Zhang, J., Yan, J., Zhao, Y., Mahoney, C., Ferebee, R., Luo, D., Pietrasik, J., Bockstaller, M.R. and Matyjaszewski, K., 2017. Photocatalytic Active Mesoporous Carbon/ZnO Hybrid Materials from Block Copolymer Tethered ZnO Nanocrystals. Langmuir, Vol. 33(43), pp.12276-12284.
18 . Ghorbanpour, M., Hakimi, B., and Feizi, A. 2018. A Comparative Study of Photocatalytic Activity of ZnO/activated Carbon Nanocomposites Prepared by Solid-state and Conventional Precipitation Methods. Journal of Nanostructures, vol. 8(3), pp. 259-265.
Babel, S. and Kurniawan, T.A., 2003. Low-cost adsorbents for heavy metals uptake from contaminated water: a review. Journal of hazardous materials, Vol. 97(1-3), pp.219-243.
Malekshahi Byranvand, M., Nemati Kharat, A., Fatholahi, L. and Malekshahi Beiranvand, Z., 2013. A review on synthesis of nano-TiO2 via different methods. Journal of nanostructures, Vol. 3(1), pp.1-9.
Sun, Z., Chen, Y., Ke, Q., Yang, Y. and Yuan, J., 2002. Photocatalytic degradation of a cationic azo dye by TiO2/bentonite nanocomposite. Journal of Photochemistry and Photobiology A: Chemistry, Vol. 149(1-3), pp.169-174.
Dunlop, P.S., McMurray, T.A., Hamilton, J.W. and Byrne, J.A., 2008. Photocatalytic inactivation of Clostridium perfringens spores on TiO2 electrodes. Journal of Photochemistry and Photobiology A: Chemistry, Vol.196 (1), pp.113-119.
Qamar, M. and Muneer, M., 2009. A comparative photocatalytic activity of titanium dioxide and zinc oxide by investigating the degradation of vanillin. Desalination, Vol. 249(2), pp.535-540.
