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https://scholarbank.nus.edu.sg/handle/10635/217976
DC Field | Value | |
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dc.title | A PANEL OF LUMINESCENT BACTERIAL BIOREPORTERS FOR DETERMINATION OF TOXICITY MECHANISMS IN ELECTROCHEMICALLY-TREATED INDUSTRIAL WASTEWATER | |
dc.contributor.author | RICCARDO MUZZI | |
dc.date.accessioned | 2022-03-29T18:00:19Z | |
dc.date.available | 2022-03-29T18:00:19Z | |
dc.date.issued | 2021-08-18 | |
dc.identifier.citation | RICCARDO MUZZI (2021-08-18). A PANEL OF LUMINESCENT BACTERIAL BIOREPORTERS FOR DETERMINATION OF TOXICITY MECHANISMS IN ELECTROCHEMICALLY-TREATED INDUSTRIAL WASTEWATER. ScholarBank@NUS Repository. | |
dc.identifier.uri | https://scholarbank.nus.edu.sg/handle/10635/217976 | |
dc.description.abstract | Wastewater from industrial processes can contain a wide variety of organic species, often in high concentration and difficult to treat. Advanced oxidation processes (AOPs), based on the in-situ generation of hydroxyl radicals, can help with complete mineralization. During the treatment, however, the generation of toxic intermediate can take place, which would hinder the application of AOPs as a pre-treatment. The evolution of toxicity in electro-Fenton (EF) treatment of industrial wastewater was evaluated with a panel of bioluminescent bioreporter bacteria capable of differentiating the target of damage, with light emitted and bacterial growth absorbance monitored. The bacterial panel was able to identify a pattern of affected structures in the cell by the wastewater. From comparison with possible by-products of the treatment, formaldehyde was identified by the toxicity pattern. Chemical analysis confirmed the accumulation of formaldehyde to over 1000 ppm during electro-Fenton, not observed in other studies on similar wastewaters. | |
dc.language.iso | en | |
dc.subject | Electro-Fenton, Bioreporter, Wastewater, Bioluminescence, Toxicity, Escherichia coli | |
dc.type | Thesis | |
dc.contributor.department | CIVIL & ENVIRONMENTAL ENGINEERING | |
dc.contributor.supervisor | Olivier Patrick Lefebvre | |
dc.description.degree | Ph.D | |
dc.description.degreeconferred | DOCTOR OF PHILOSOPHY (CDE-ENG) | |
Appears in Collections: | Ph.D Theses (Open) |
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MuzziR.pdf | 3.27 MB | Adobe PDF | OPEN | None | View/Download |
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