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Photoelectrocatalyt...
Photoelectrocatalytic treatment of municipal wastewater with emerging concern pollutants using modified multi-layer catalytic anode
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- Kaur, Parminder (author)
- Department of Chemical and Metallurgical Engineering, Aalto University, Espoo, Finland 00076
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- Park, Yuri (author)
- Department of Environmental Engineering, Seoul National University of Science and Technology, Seoul 01811, South Korea
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- Minami, Ichiro (author)
- Luleå tekniska universitet,Maskinelement
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- Imteaz, Monzur A. (author)
- Department of Civil and Construction Engineering, Swinburne University of Technology, Melbourne, Australia
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- Khan, Moonis Ali (author)
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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- Al-Othman, Ahmed A.S. (author)
- Department of Agricultural Engineering, College of Food Sciences and Agriculture, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia
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- Alothman, Zeid Abdullah (author)
- Department of Agricultural Engineering, College of Food Sciences and Agriculture, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia
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- Sillanpää, Mika (author)
- Faculty of Environment and Chemical Engineering, Duy Tan University, Da Nang 550000, Vietnam; Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering University of Johannesburg, P.O. Box 17011, Doornfontein 2028, South Africa
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- Li, Yongdan (author)
- Department of Chemical and Metallurgical Engineering, Aalto University, Espoo, Finland 00076
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(creator_code:org_t)
- Elsevier Ltd, 2023
- 2023
- English.
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In: Chemosphere. - : Elsevier Ltd. - 0045-6535 .- 1879-1298. ; 339
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https://ltu.diva-por... (primary) (Raw object)
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Abstract
Subject headings
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- Municipal wastewater contains emergent chemical and biological pollutants that are resistant to conventional wastewater treatments. Therefore, the focus of the current study was to address the challenge of removing emergent chemical and biological pollutants present in municipal wastewater. To achieve this, a photo electro-catalytic (PEC) treatment approach was employed, focusing on the removal of both micro and biological pollutants that are of emergent concern, as well as the reduction of Chemical Oxidation Demand (COD) and Total Organic Carbon (TOC). The treatment involved the use of a modified multi-layer catalytic anode photo-electroactive anode as an effective anode for PEC treatment of municipal wastewater. In the continuous mode of operation, %COD removal was optimized for the treatment of municipal wastewater under Ultra-Violet C (UVc), 280 nm, and Visible (Vis) radiation, 400 nm. Therefore, a comparative study was performed to investigate the effect of Vis radiation on %COD removal, micropollutants removal, and disinfection of municipal wastewater. Micropollutants present in municipal wastewater were effectively oxidized/degraded with the highest reduction rate between 100% and 80% under the influence of UVc and Vis radiation respectively by the PEC treatment process. Disinfection of various microorganisms present in the wastewater with the effect of UVc and Vis assisted PEC treatment was also monitored. Overall, 75–80% of the disinfection of municipal wastewater was contributed by the modified multi-layer catalytic anode. The UVc in the PEC system, contributes approximately 20–25% to the overall disinfection of municipal wastewater.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Vattenteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Water Engineering (hsv//eng)
Keyword
- COD and TOC removal
- Disinfection
- Micropollutants
- Operational parameters
- Photo-electrocatalysis
- Machine Elements
- Maskinelement
Publication and Content Type
- ref (subject category)
- art (subject category)
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