The preparation of functionalized filter media (FFM), its ability to release active antiscalant substances and its application for water treatment in water heating processes and as a pretreatment in reverse osmosis (RO) desalination were investigated in this study. FFM is a novel method of stabilizing water pretreatment designed to be free of the disadvantages of conventional methods of water scaling potential reduction which require expensive equipment, produce significant amounts of waste, have high reagent consumption or are strongly dependent on water composition. FFM was derived from anion exchange resin modified with phosphonate and polymer scale inhibitors. In order to choose the most suitable anion exchange resin for preparation of FFM, different types of resins were tested for sorption of phosphonate compounds. The effect of the anionic composition of water and the effect of the polymer inhibitor on the rate of phosphonate release were investigated. Finally, FFM was tested as a scaling reduction water treatment for a water heating process with heating coils and as a pretreatment before reaching the RO unit. In both cases the results obtained show great promise for the functionalized material in antiscaling water pretreatment.
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Research Article|
December 19 2013
Novel method of stabilizing water pretreatment for reverse osmosis desalination
Yevhen Orestov;
1National Technical University of Ukraine, 37 Peremohy Av., Kyiv 03056, Ukraine
E-mail: e.orestov@gmail.com
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Tetiana Mitchenko
Tetiana Mitchenko
1National Technical University of Ukraine, 37 Peremohy Av., Kyiv 03056, Ukraine
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Water Supply (2014) 14 (3): 478–484.
Article history
Received:
August 04 2013
Accepted:
December 03 2013
Citation
Yevhen Orestov, Tetiana Mitchenko; Novel method of stabilizing water pretreatment for reverse osmosis desalination. Water Supply 1 June 2014; 14 (3): 478–484. doi: https://doi.org/10.2166/ws.2013.222
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Citation
Yevhen Orestov, Tetiana Mitchenko; Novel method of stabilizing water pretreatment for reverse osmosis desalination. Water Supply 1 June 2014; 14 (3): 478–484. doi: https://doi.org/10.2166/ws.2013.222
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