CALCIUM-PHOSPHATE MATERIALS OF THE APATISTIC COMPOSITION IN INNOVATIVE WATER TREATMENT TECHNOLOGIES
Abstract
The article considers the most common innovative methods types obtaining clean drinking water by using surface water bodies. The significant potential of nanotechnologies in water treatment systems is shown. The article provides an overview of the nanomaterials used in the water treatment technology: nanosorbents, nanomembranes and nanofilters.
We evaluated the prospects of using synthetic inorganic materials of calcium phosphate composition as materials for ceramic filters. It is shown that in conditions of non-pressure water supply, lack of uninterrupted electricity supply, emergencies, or desert climate the most promising filtration of water is through ceramic filters. This work shows the potential application of synthetic nanocrystalline powders apetitoso composition as inorganic materials for ceramic filters for drinking water purification in the final stages of filtration.
It has been shown that synthetic nanocrystalline powders of Са10(PO4)6(OH)2 that are not containing heavy metals and animal-derived ingredients can be obtained by the methods of "green chemistry" from solutions of Са(OH)2 and Н3(PO4) grades of “chemically pure” and “analytically pure”, and Са10(PO4)6F2 in the solid phase or by coprecipitation from solutions of Са10(NO3)2•4H2О, NH4F and (NH4)2HPО4 taken in the required stoichiometry, followed by heat treatment and grinding. The optimal ratios of the initial components and heat treatment regimes are determined, which ensure the production of Са10(PO4)6(OH)2 powder with the ratio Ca/P = 1.67 and Са10(PO4)6F2 of high purity, whose crystal sizes correspond to the nanoscale range.
The article confirms the novelty and high efficiency of the developed materials for the manufacture of ceramic filters for drinking water purification in the final stages of filtration.
Keywords: water treatment, water purification, ceramic filters, calcium phosphatic materials, hydroxylapatite, quality of water.
References
Література
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Amin, М.Т., Alazba, А. А., Manzoor, U. (2014). A Review of Removal of Pollutants from Water/Wastewater Using Different Types of Nanomaterials Advances in Materials Science and Engineering, 1-24, doi: 10.1155/2014/825910.
Hamidreza Sadegh, Gomaa, A., Gomaa, M.. (2017) The role of nanomaterials as effective adsorbents and their applications in wastewater treatment. J Nanostruct Chem., 7, 1–14, doi: 10.1007/s40097-017-0219-4.
Amin, M. M., Hashemi, H, Bovini, A. M., Hung, Y. T. (2013) A review on wastewater disinfection International Journal of Environmental Health Engineering, 2, 22, doi: 10.4103/2277-9183.113209.
Liu, X., Wang, M,. Zhang, S., Pan, B. (2013) Application potential of carbon nanotubes in water treatment: a review J Environ Sci (China), 25, 1263–1280, doi: 10.1016/S1001-0742(12)60161-2.
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Ms. Sulekha (2016) Role of Nanotechnology in waste water treatment International Journal of Advanced Research and Development, 1, 25–28.
Maryam Ahmadzadeh Tofighy, Toraj Mohammadi (2011) Adsorption of divalent heavy metal ions from water using carbon nanotube sheets Journal of Hazardous Materials, 185, 140–147, doi: 10.1016/j.jhazmat.2010.09.008.
Zoheb Karim, Aji P. Mathew, Mattias Grahn (2014) Nanoporous membranes with cellulose nanocrystals as functional entity in chitosan: Removal of dyes from water. Carbohydrate Polymers, 112, 668–676, doi: 10.1016/j.carbpol.2014.06.048.
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References
Gehrke, I., Geiser, A., Somborn-Schulz, A. (2015) Innovations in nanotechnology for water treatment Nanotechnology, Science and Applications, 8, 1-17, doi: 10.2147/NSA.S43773.
Amin, М.Т., Alazba, А. А., Manzoor, U. (2014). A Review of Removal of Pollutants from Water/Wastewater Using Different Types of Nanomaterials Advances in Materials Science and Engineering, 1-24, doi: 10.1155/2014/825910.
Hamidreza Sadegh, Gomaa, A., Gomaa, M.. (2017) The role of nanomaterials as effective adsorbents and their applications in wastewater treatment. J Nanostruct Chem., 7, 1–14, doi: 10.1007/s40097-017-0219-4.
Amin, M. M., Hashemi, H, Bovini, A. M., Hung, Y. T. (2013) A review on wastewater disinfection International Journal of Environmental Health Engineering, 2, 22, doi: 10.4103/2277-9183.113209.
Liu, X., Wang, M,. Zhang, S., Pan, B. (2013) Application potential of carbon nanotubes in water treatment: a review J Environ Sci (China), 25, 1263–1280, doi: 10.1016/S1001-0742(12)60161-2.
Michael, F. L. De Volder, Sameh, H. Tawfick,, Ray, H. Baughman, A. John Hart (2013) Carbon Nanotubes: Present and Future Commercial Applications Science, 339, 535–539, doi: 10.1126/science.1222453.
Ms. Sulekha (2016) Role of Nanotechnology in waste water treatment International Journal of Advanced Research and Development, 1, 25–28.
Maryam Ahmadzadeh Tofighy, Toraj Mohammadi (2011) Adsorption of divalent heavy metal ions from water using carbon nanotube sheets Journal of Hazardous Materials, 185, 140–147, doi: 10.1016/j.jhazmat.2010.09.008.
Zoheb Karim, Aji P. Mathew, Mattias Grahn (2014) Nanoporous membranes with cellulose nanocrystals as functional entity in chitosan: Removal of dyes from water. Carbohydrate Polymers, 112, 668–676, doi: 10.1016/j.carbpol.2014.06.048.
Zhuqing Wang, Aiguo Wu, Lucio Colombi Ciacchi, Gang Wei (2018) Recent Advances in Nanoporous Membranes for Water Purification Nanomaterials, 8, 65, doi: 10.3390/nano8020065.
Borodajenko, N., Rubenis, K., Pura, A., Mironova-Ulmane, N. (2014) Studies of TiO2 Ceramics Structure after Thermal Treatment at Different Conditions Key Engineering Materials, 604, 309–312, doi: 10.4028/www.scientific.net/KEM.604.309.
Rubenis, K., Ozoliņš, J., Pūra, A. (2012) The Influence of Thermal Treatment on the Properties of TiO2 Ceramics Obtained by Extrusion Material Science and Applied Chemistry, 25, 71–75.
Rizwan Ahmad, Jin Kyu Kim, Jong Hak Kim, Jeonghwan Kim (2017) Nanostructured Ceramic Photocatalytic Membrane Modified with a Polymer Template for Textile Wastewater Treatment Appl. Sci., 7, 1284, doi: 10.3390/app7121284.
Krivileva, S. (2018) Evaluation of the possibility of using nanocrystalline apatite powders as inorganic fillers of toothpastes. Вicник НТУ «XПI»,. Серiя: «Нові рішення в сучасних технологіях». – Харків: НТУ "ХПІ", 16 (1292), 158–164, doi: 10.20998/2413-4295.2018.16.24.
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