| Title | Circular Economy Approach in Treatment of Galvanic Wastewater Employing Membrane Processes |
|---|---|
| ID_Doc | 3245 |
| Authors | Kowalik-Klimczak, A; Gajewska-Midzialek, A; Buczko, Z; Lozynska, M; Zycki, M; Barszcz, W; Ciciszwili, T; Dabrowski, A; Kasierot, S; Charasinska, J; Gorewoda, T |
| Title | Circular Economy Approach in Treatment of Galvanic Wastewater Employing Membrane Processes |
| Year | 2023 |
| Published | Membranes, 13, 3 |
| Abstract | According to the idea of sustainable development, humanity should make every effort to care for the natural environment along with economic development. Decreasing water resources in the world makes it necessary to take action to reduce the consumption of this resource. This article presents the results of research conducted to improve the use of recyclable materials in line with the circular economy model. The research focused on the development of a technological solution for the recovery of raw materials from galvanic wastewater. The concept of a galvanic wastewater treatment system presented in the article includes wastewater pre-treatment in the ultrafiltration (UF) process and water recovery in the reverse osmosis (RO) process. In addition, the purpose of the work was to manage post-filtration waste (RO retentate) containing high concentrations of zinc in the process of galvanizing metal details. The obtained results indicate that it is possible to reduce the amount of sewage from the galvanizing industry by reusing the recovered water as technical water in the process line. The carried-out model tests of galvanizing confirmed the possibility of using RO retentate for the production of metal parts. The achieved results are a proposal to solve the problem of reducing the impact of galvanic wastewater on the environment and to improve the profitability of existing galvanizing technologies by reducing the consumption of water and raw materials. |
| https://www.mdpi.com/2077-0375/13/3/325/pdf?version=1678770613 |
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