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Open AccessArticle

Magnetite, Hematite and Zero-Valent Iron as Co-Catalysts in Advanced Oxidation Processes Application for Cosmetic Wastewater Treatment

Faculty of Building Services, Hydro and Environmental Engineering, Warsaw University of Technology, 00-653 Warsaw, Poland
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Catalysts 2021, 11(1), 9; https://doi.org/10.3390/catal11010009
Received: 20 November 2020 / Revised: 18 December 2020 / Accepted: 22 December 2020 / Published: 24 December 2020
Background: There is a need for more effective methods of industrial wastewater treatment. Methods: Cosmetic wastewater was collected and subjected to H2O2/Fe3O4/Fe2O3/Fe0 and UV/H2O2/Fe3O4/Fe2O3/Fe0 process treatment. Results: Total organic carbon (TOC) was decreased from an initial 306.3 to 134.1 mg/L, 56.2% TOC removal, after 120 min of treatment for 1:1 H2O2/COD mass ratio and 500/500/1000 mg/L Fe3O4/Fe2O3/Fe0 catalyst doses. The application chromatographic analysis allowed for the detection and identification of pollutants present in the wastewater. Identified pollutants were removed during the treatment processes. Processes carried out at a pH greater than 3.0 were ineffective. The UV process was more effective than the lightless process. Conclusions: The applied processes are effective methods for wastewater treatment. Chromatographic results confirmed the effectiveness of the treatment method. The kinetics of the process were described by the modified second-order model. On the basis of ANOVA results, the hypothesis regarding the accuracy and reproducibility of the research was confirmed. View Full-Text
Keywords: industrial wastewater; advanced oxidation processes; zero valent iron; magnetite; hematite industrial wastewater; advanced oxidation processes; zero valent iron; magnetite; hematite
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MDPI and ACS Style

Bogacki, J.; Marcinowski, P.; Bury, D.; Krupa, M.; Ścieżyńska, D.; Prabhu, P. Magnetite, Hematite and Zero-Valent Iron as Co-Catalysts in Advanced Oxidation Processes Application for Cosmetic Wastewater Treatment. Catalysts 2021, 11, 9. https://doi.org/10.3390/catal11010009

AMA Style

Bogacki J, Marcinowski P, Bury D, Krupa M, Ścieżyńska D, Prabhu P. Magnetite, Hematite and Zero-Valent Iron as Co-Catalysts in Advanced Oxidation Processes Application for Cosmetic Wastewater Treatment. Catalysts. 2021; 11(1):9. https://doi.org/10.3390/catal11010009

Chicago/Turabian Style

Bogacki, Jan; Marcinowski, Piotr; Bury, Dominika; Krupa, Monika; Ścieżyńska, Dominika; Prabhu, Prasanth. 2021. "Magnetite, Hematite and Zero-Valent Iron as Co-Catalysts in Advanced Oxidation Processes Application for Cosmetic Wastewater Treatment" Catalysts 11, no. 1: 9. https://doi.org/10.3390/catal11010009

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