A Reverse Osmosis Process to Recover and Recycle Trivalent Chromium from Electroplating Wastewater
Electroplating generates high volumes of rinse water that is contaminated with heavy metals. This study presents an approach for direct metal recovery and recycling from simulated rinse water, made up of an electroplating electrolyte used in industry, using reverse osmosis (RO). To simulate the real...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-08-01
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| Series: | Membranes |
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| Online Access: | https://www.mdpi.com/2077-0375/12/9/853 |
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| author | Roxanne Engstler Jan Reipert Somayeh Karimi Josipa Lisičar Vukušić Felix Heinzler Philip Davies Mathias Ulbricht Stéphan Barbe |
| author_facet | Roxanne Engstler Jan Reipert Somayeh Karimi Josipa Lisičar Vukušić Felix Heinzler Philip Davies Mathias Ulbricht Stéphan Barbe |
| author_sort | Roxanne Engstler |
| collection | DOAJ |
| description | Electroplating generates high volumes of rinse water that is contaminated with heavy metals. This study presents an approach for direct metal recovery and recycling from simulated rinse water, made up of an electroplating electrolyte used in industry, using reverse osmosis (RO). To simulate the real industrial application, the process was examined at various permeate fluxes, ranging from 3.75 to 30 L·m<sup>−2</sup>·h<sup>−1</sup> and hydraulic pressures up to 80 bar. Although permeance decreased significantly with increasing water recovery, rejections of up to 93.8% for boric acid, >99.9% for chromium and 99.6% for sulfate were observed. The final RO retentate contained 8.40 g/L chromium and was directly used in Hull cell electroplating tests. It was possible to deposit cold-hued chromium layers under a wide range of relevant current densities, demonstrating the reusability of the concentrate of the rinsing water obtained by RO. |
| first_indexed | 2024-03-09T23:12:59Z |
| format | Article |
| id | doaj.art-b0f9be4195bf4c2e8b6a5c9a3243f907 |
| institution | Directory Open Access Journal |
| issn | 2077-0375 |
| language | English |
| last_indexed | 2024-03-09T23:12:59Z |
| publishDate | 2022-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Membranes |
| spelling | doaj.art-b0f9be4195bf4c2e8b6a5c9a3243f9072023-11-23T17:42:29ZengMDPI AGMembranes2077-03752022-08-0112985310.3390/membranes12090853A Reverse Osmosis Process to Recover and Recycle Trivalent Chromium from Electroplating WastewaterRoxanne Engstler0Jan Reipert1Somayeh Karimi2Josipa Lisičar Vukušić3Felix Heinzler4Philip Davies5Mathias Ulbricht6Stéphan Barbe7Faculty of Applied Natural Sciences, TH Köln—University of Applied Sciences, 51379 Leverkusen, GermanyFaculty of Applied Natural Sciences, TH Köln—University of Applied Sciences, 51379 Leverkusen, GermanySchool of Engineering, University of Birmingham, Birmingham B15 2FG, UKFaculty of Applied Natural Sciences, TH Köln—University of Applied Sciences, 51379 Leverkusen, GermanyBIA Kunststoff-und Galvanotechnik GmbH & Co. KG, 42655 Solingen, GermanySchool of Engineering, University of Birmingham, Birmingham B15 2FG, UKDepartment of Technical Chemistry II, University of Duisburg-Essen, 45141 Essen, GermanyFaculty of Applied Natural Sciences, TH Köln—University of Applied Sciences, 51379 Leverkusen, GermanyElectroplating generates high volumes of rinse water that is contaminated with heavy metals. This study presents an approach for direct metal recovery and recycling from simulated rinse water, made up of an electroplating electrolyte used in industry, using reverse osmosis (RO). To simulate the real industrial application, the process was examined at various permeate fluxes, ranging from 3.75 to 30 L·m<sup>−2</sup>·h<sup>−1</sup> and hydraulic pressures up to 80 bar. Although permeance decreased significantly with increasing water recovery, rejections of up to 93.8% for boric acid, >99.9% for chromium and 99.6% for sulfate were observed. The final RO retentate contained 8.40 g/L chromium and was directly used in Hull cell electroplating tests. It was possible to deposit cold-hued chromium layers under a wide range of relevant current densities, demonstrating the reusability of the concentrate of the rinsing water obtained by RO.https://www.mdpi.com/2077-0375/12/9/853electrolyte recoveryreverse osmosisclosed-loopwastewater treatmentelectroplating |
| spellingShingle | Roxanne Engstler Jan Reipert Somayeh Karimi Josipa Lisičar Vukušić Felix Heinzler Philip Davies Mathias Ulbricht Stéphan Barbe A Reverse Osmosis Process to Recover and Recycle Trivalent Chromium from Electroplating Wastewater Membranes electrolyte recovery reverse osmosis closed-loop wastewater treatment electroplating |
| title | A Reverse Osmosis Process to Recover and Recycle Trivalent Chromium from Electroplating Wastewater |
| title_full | A Reverse Osmosis Process to Recover and Recycle Trivalent Chromium from Electroplating Wastewater |
| title_fullStr | A Reverse Osmosis Process to Recover and Recycle Trivalent Chromium from Electroplating Wastewater |
| title_full_unstemmed | A Reverse Osmosis Process to Recover and Recycle Trivalent Chromium from Electroplating Wastewater |
| title_short | A Reverse Osmosis Process to Recover and Recycle Trivalent Chromium from Electroplating Wastewater |
| title_sort | reverse osmosis process to recover and recycle trivalent chromium from electroplating wastewater |
| topic | electrolyte recovery reverse osmosis closed-loop wastewater treatment electroplating |
| url | https://www.mdpi.com/2077-0375/12/9/853 |
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