Application of Low-Pressure Reverse Osmosis Membranes for Drinking Water Softening

• Autorzy: Gomelya Mykola , Shabliy Tetyana , Radovenchyk Iaroslav , Vakulenko Anna

Identyfikatory

DOI

10.12912/27197050/165897

• Języki publikacji: EN

Abstrakty

EN

The processes of water purification with increasing selection of permeate were studied, considering selectivity and productivity of membranes, dynamics of changes of contents of components in the concentrate. It is shown that when chlorides and sulfates are removed from water, the increase in their content in the concentrate does not differ practically from the measured and calculated values. At the same time, the nature of dependences on the change in hardness, concentration of calcium and magnesium ions, alkalinity obtained experimentally differ significantly from the dependences obtained by theoretical calculations at permeate selection levels of > 70%. А significant difference in the determined and calculated concentrations of hardness ions in the concentrates was observed after hardness values greater than 30–40 mg-eq/dm³. This indicates the partial removal of hardness ions and carbonates from the concentrates, which may be the reason for the formation of deposits on the membrane. Permissible values of the degree of permeate selection were determined, at which there is no intense deposition of carbonates and hydroxides of hardness ions on the membrane. With the initial water hardness > 8 mg-eq/dm³, the degree of permeate selection could reach 60–70% without the risk of sedimentation on the membrane. Effectiveness of the low-pressure reverse osmosis membrane in the purification of mine water with an increased level of mineralization and hardness was determined. A significant difference between the determined and calculated hardness in concentration was observed already at the degree of permeate selection of 22–33%.

Słowa kluczowe

EN

mineralization; hardness; softening; desalination; reverse osmosis; ion exchange; membrane

• Wydawca: Lubelski Oddział Polskiego Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology ; WNGB Wydawnictwo Naukowe
• Czasopismo: Ecological Engineering & Environmental Technology
• Rocznik: 2023
• Tom: Vol. 24, iss. 5
• Strony: 154--162
• Opis fizyczny: Bibliogr. 13 poz., rys., tab.

Twórcy

autor

Gomelya Mykola

• Department of Ecology and Technology of Plant Polymers, Igor Sikorsky Kyiv Polytechnic Institute, Peremogy Avenu 37/4, 03056, Kyiv, Ukraine

• https://orcid.org/0000-0003-1165-7545

autor

Shabliy Tetyana

• Department of Ecology and Technology of Plant Polymers, Igor Sikorsky Kyiv Polytechnic Institute, Peremogy Avenu 37/4, 03056, Kyiv, Ukraine

• https://orcid.org/0000-0003-3454-675X

autor

Radovenchyk Iaroslav

• Department of Ecology and Technology of Plant Polymers, Igor Sikorsky Kyiv Polytechnic Institute, Peremogy Avenu 37/4, 03056, Kyiv, Ukraine

• https://orcid.org/0000-0002-0101-0273

autor

Vakulenko Anna

• Department of Ecology and Technology of Plant Polymers, Igor Sikorsky Kyiv Polytechnic Institute, Peremogy Avenu 37/4, 03056, Kyiv, Ukraine

• https://orcid.org/0000-0003-1035-9175

Bibliografia

• 1. SSNR 2.24–171–10, Hygienic requirements for drinking water intended for human consumption. Order of Ukraine Ministry of Health № 400 of 12.05.2010. (in Ukrainian)
• 2. Directive 98/83/EC of 3 November 1998 on the quality of water intended for human consumption.
• 3. Seminska O.O., Balakina M.N., Kycheryk D.D., Kykishenko A.E., Goncharyk V.V. 2017. Selection of the most effective preliminary treatment of urban wastewater for subsequent reverse osmosis processing. Chemistry and water technology, 39(1), 36–45. (in Russian)
• 4. Makarenko I.M. 2014. Low-waste water desalination technologies. Bulletin of NTUU “Kyiv Polytechnic Institute”. Series: Chemical engineering, ecology and resourcesaving, 2, 84–89. (in Ukrainian)
• 5. Lubavina E.A., Mykhaylenko V.G., Parykin V.S. 2007. Use of low acidic cationite for water conditioning. Articles of Odessa Polytechnic University, 1(27), 239–241. (in Ukrainian)
• 6. Shabliy T.O., Gomelya M.D., Panov E.M. 2010. Electrochemical processing of spent solutions formed during the regeneration of cationites. Ecology and industry, 2, 33–38. (in Ukrainian)
• 7. Nosacheva J.V., Ovsyanyk A.V. 2008. Low-waste technology of regeneration of higlyacidic cations at Na-cationic water softening. Ecotechnology and resource saving, 2, 44–47. (in Russian)
• 8. Fleysher A., Trus I., Gomelya M., Tokarchuk V. 2014. Utilization of the residues obtained during the process of chemical purification of water as cement hardening accelerators. American Journal of Scientific and Educational Research, 1(4), 542–546.
• 9. Goncharyk V.V., Kavickaia A.A., Osylskaia M.D. 2009. Ultrafiltration and nanofiltration – priority directions in the technology of drinking water treatment from surface sources. Water chemistry and technology, 31(2), 198–266. (in Russian)
• 10. Gomelya M.D., Trus I.M., Grabitchenko V.M. 2014. Nanofiltration desalination of lowmineralized wastewater. Questions of chemistry and chemical technology, 1, 98–102. (in Ukrainian)
• 11. Nabyvanec B.I., Osadchyi V.I., Osadcha N.M. 2006. Analytical chemistry of surface waters. Scientific thought, Kyiv. (in Ukrainian)
• 12. Makarenko I.M., Glyshko O.V., Pysukhin O.M., Tereschenko O.M. 2013. Application of cationites for water conditioning in the processes of water baromembrane desalination. Eastern-European Journal of Enterprise Technologies, 3/6(63), 48–52. (in Ukrainian)
• 13. Gomelya M., Trus I., Radovenchyk I. 2014. Influence of stabilization water treatment on a low acid cation exchanger in acid form on the quality of nanofiltration desalination of mine water. Scientific Bulletin of the National Mining University, 5, 100–105. (in Ukrainian)

Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).