Scaling Risk Assessment in Nanofiltration of Mine Waters
Nanofiltration can be applied for the treatment of mine waters. One of the main problems is the risk of crystallization of sparingly soluble salts on the membrane surface (scaling). In this work, a series of batch-mode nanofiltration experiments of the mine waters was performed in a dead-end Sterlit...
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| Format: | Article |
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MDPI AG
2020-10-01
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| Series: | Membranes |
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| Online Access: | https://www.mdpi.com/2077-0375/10/10/288 |
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| author | Krzysztof Mitko Ewa Laskowska Marian Turek Piotr Dydo Krzysztof Piotrowski |
| author_facet | Krzysztof Mitko Ewa Laskowska Marian Turek Piotr Dydo Krzysztof Piotrowski |
| author_sort | Krzysztof Mitko |
| collection | DOAJ |
| description | Nanofiltration can be applied for the treatment of mine waters. One of the main problems is the risk of crystallization of sparingly soluble salts on the membrane surface (scaling). In this work, a series of batch-mode nanofiltration experiments of the mine waters was performed in a dead-end Sterlitech<sup>®</sup> HP 4750X Stirred Cell. Based on the laboratory results, the concentration profiles of individual ions along the membrane length in a single-pass industrial-scale nanofiltration (NF) unit was calculated, assuming the tanks-in-series flow model inside the membrane module. These calculations also propose a method for estimating the maximum achievable recovery before the occurrence of the calcium sulfate dihydrate scaling in a single-pass NF 40″ length spiral wound module, simultaneously allowing metastable supersaturation of calcium sulfate dihydrate. The performance of three membrane types (NF270, NFX, NFDL) has been evaluated for the nanofiltration of mine water. |
| first_indexed | 2024-03-10T15:36:16Z |
| format | Article |
| id | doaj.art-3c85657b1f4846c1a248ecf2aea76aab |
| institution | Directory Open Access Journal |
| issn | 2077-0375 |
| language | English |
| last_indexed | 2024-03-10T15:36:16Z |
| publishDate | 2020-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Membranes |
| spelling | doaj.art-3c85657b1f4846c1a248ecf2aea76aab2023-11-20T17:13:27ZengMDPI AGMembranes2077-03752020-10-01101028810.3390/membranes10100288Scaling Risk Assessment in Nanofiltration of Mine WatersKrzysztof Mitko0Ewa Laskowska1Marian Turek2Piotr Dydo3Krzysztof Piotrowski4Department of Inorganic, Analytical Chemistry and Electrochemistry, Faculty of Chemistry, Silesian University of Technology, ul. B. Krzywoustego 6, 44-100 Gliwice, PolandPolymemTech Sp. z o.o., Al. Niepodległości 118/90, 05-577 Warsaw, PolandDepartment of Inorganic, Analytical Chemistry and Electrochemistry, Faculty of Chemistry, Silesian University of Technology, ul. B. Krzywoustego 6, 44-100 Gliwice, PolandDepartment of Inorganic, Analytical Chemistry and Electrochemistry, Faculty of Chemistry, Silesian University of Technology, ul. B. Krzywoustego 6, 44-100 Gliwice, PolandDepartment of Chemical Engineering and Process Design, Faculty of Chemistry, Silesian University of Technology, ul. M. Strzody 7, 44-100 Gliwice, PolandNanofiltration can be applied for the treatment of mine waters. One of the main problems is the risk of crystallization of sparingly soluble salts on the membrane surface (scaling). In this work, a series of batch-mode nanofiltration experiments of the mine waters was performed in a dead-end Sterlitech<sup>®</sup> HP 4750X Stirred Cell. Based on the laboratory results, the concentration profiles of individual ions along the membrane length in a single-pass industrial-scale nanofiltration (NF) unit was calculated, assuming the tanks-in-series flow model inside the membrane module. These calculations also propose a method for estimating the maximum achievable recovery before the occurrence of the calcium sulfate dihydrate scaling in a single-pass NF 40″ length spiral wound module, simultaneously allowing metastable supersaturation of calcium sulfate dihydrate. The performance of three membrane types (NF270, NFX, NFDL) has been evaluated for the nanofiltration of mine water.https://www.mdpi.com/2077-0375/10/10/288membrane module modelingcalcium sulfate precipitation riskionic rejection coefficients |
| spellingShingle | Krzysztof Mitko Ewa Laskowska Marian Turek Piotr Dydo Krzysztof Piotrowski Scaling Risk Assessment in Nanofiltration of Mine Waters Membranes membrane module modeling calcium sulfate precipitation risk ionic rejection coefficients |
| title | Scaling Risk Assessment in Nanofiltration of Mine Waters |
| title_full | Scaling Risk Assessment in Nanofiltration of Mine Waters |
| title_fullStr | Scaling Risk Assessment in Nanofiltration of Mine Waters |
| title_full_unstemmed | Scaling Risk Assessment in Nanofiltration of Mine Waters |
| title_short | Scaling Risk Assessment in Nanofiltration of Mine Waters |
| title_sort | scaling risk assessment in nanofiltration of mine waters |
| topic | membrane module modeling calcium sulfate precipitation risk ionic rejection coefficients |
| url | https://www.mdpi.com/2077-0375/10/10/288 |
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