The Development of Microbial Filtration Membrane from Hydroxyapatite and Titanium Dioxide
Abstract
This research project describes with the development of microbial filtration membrane from hydroxyapatite and titanium dioxide. The samples were prepared by hydroxyapatite/titanium dioxide (HA/TiO2) blending. The mixtures of hydroxyapatite and titanium dioxide were characterized by fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscope (SEM), microbial filtration test and the photocatalytic activity. The results showed that about 70-99% of the microbe can be removed by the two-layer filter cloth, while the four-layer filter cloth can remove almost all the microbe. The photocatalytic activities were also determined by decomposition of methylene blue solution. With an increasing ratio of nano-TiO2 in the mixture of HA/TiO2 from 1.5 to 2.0 and 2.5 mole, the photocatalytic activity of the mixture increased such that HA/nano-TiO2 mixture exhibited the highest photocatalytic activity and microbial filtration. Keywords : titanium dioxide, hydroxyapatite, microbial filtration, photocatalytic activityReferences
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Manivannan A., Glaspell, G,. & Dutta, P. (2008). Synthesis of Nanocrystalline TiO2 Particles and Their Structural Characteristics. J Clust Sci, 19, 391–399.
Prieto-Mahaney, O-O., Murakami, N., Abe, R., & Ohtani, B. (2009). Correlation between Photocatalytic Activities and Structural and Physical Properties of Titanium(IV) Oxide Powders. Chemistry Letters, 38(3), 238-239.
Taga, Y. (2009). Titanium oxide based visible light photocatalysts: Materials design and applications. Thin Solid Films, 517, 3167–3172.
Xu, N., Shi, Z., Fan, Y., Dong, J. Shi, J., & Hu, Michael Z.-C. (1999). Effects of Particle Size of TiO2 on Photocatalytic Degradation of Methylene Blue in Aqueous Suspensions. Ind. Eng. Chem. Res., 38, 373-379.
Yang, L., Ning, X., Chen, K., & Zhou, H. (2007). Preparation and properties of hydroxyapatite filters for microbial filtration. Ceramics International, 33, 483–489.
Anmin, H., Tong, L., Ming, L., Chengkang, C., Huiqin, L., & Dali, M. (2006). Preparation of nanocrystals hydroxyapatite/TiO2 compound by hydrothermal treatment. Applied Catalysis B: Environmental, 63,
41–44.
Beranek, R., & Kisch, H. (2008). Tuning the optical and photoelectrochemical properties of surface-modified TiO2. Photochem Photobiol Sci, 7(1), 40-48.
Hui, P., Meena, S.L., Singh, G., Agarawal, R.D. & Prakash, S. (2010). Synthesis of Hydroxyapatite Bio-Ceramic Powder by Hydrothermal Method. Journal of Minerals & Materials Characterization & Engineering, 9, 683-692.
Jokanovic, V., Izvonar, D., Dramicanin, M. D., Jokanovic, B., Zivojinovic, V., Markovic, D., & Dacic, B. (2006). Hydrothermal synthesis and nanostructure of carbonated calcium hydroxyapatite. J Mater Sci : Mater Med, 17, 539-546.
Li, H., Shen, X., Liu, Y., Wang L., Lei, J., & Zhang, J. (2015). Facile phase control for hydrothermal synthesis of anatase-rutile TiO2 with enhanced photocatalytic activity. Journal of Alloys and Compounds, 646, 380-386.
Li, Q., Mahendra, S., Lyon, D. Y., Brunet, L., Liga, M. V., Li, D., & Alvarez, P. J. J. (2008). Antimicrobial nanomaterials for water disinfection and microbial control: Potential applications and implications. water research, 42, 4591-4602.
Manivannan A., Glaspell, G,. & Dutta, P. (2008). Synthesis of Nanocrystalline TiO2 Particles and Their Structural Characteristics. J Clust Sci, 19, 391–399.
Prieto-Mahaney, O-O., Murakami, N., Abe, R., & Ohtani, B. (2009). Correlation between Photocatalytic Activities and Structural and Physical Properties of Titanium(IV) Oxide Powders. Chemistry Letters, 38(3), 238-239.
Taga, Y. (2009). Titanium oxide based visible light photocatalysts: Materials design and applications. Thin Solid Films, 517, 3167–3172.
Xu, N., Shi, Z., Fan, Y., Dong, J. Shi, J., & Hu, Michael Z.-C. (1999). Effects of Particle Size of TiO2 on Photocatalytic Degradation of Methylene Blue in Aqueous Suspensions. Ind. Eng. Chem. Res., 38, 373-379.
Yang, L., Ning, X., Chen, K., & Zhou, H. (2007). Preparation and properties of hydroxyapatite filters for microbial filtration. Ceramics International, 33, 483–489.
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2017-02-09
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