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Aerobic degradation of tetramethyl bisphenol F (TMBPF) with activated sludge [Elektronski vir] : kinetics and biotransformation productsKovačič, Ana, kemičarka ...This study investigated the bio-degradation kinetics of tetramethyl bisphenol F (TMBPF), a non-estrogenic alternative to bisphenol A (BPA). Batch biotransformation experiments were performed whereby ... samples were inoculated with activated sludge and analysed using liquid chromatography-Orbitrap-tandem mass spectrometry (LC-Orbitrap-MS) utilising two non-targeted workflows (commercial and freely available online) for biotransformation products (BTP) identification. The degradation of TMBPF followed single first-order reaction kinetics and depended on the initial concentration (ci) with faster degradation -kt = 0.16, (half-life = 4.4 days) at lower concentrations ci = 0.1 mg L−1, compared with -kt = 0.02 (half-live = 36.4 days) at ci = 10.0 mg L−1. After 18 days, only 8% of the original TMBPF remained at the lowest tested concentration (0.1 mg L−1). Twelve BTPs were identified, three of which were workflow and one condition-specific. The highest relative quantities of BTPs were observed in nutrient-mineral and mineral media after ten days, while after 14 days, 36 and 31% of TMBPF (ci = 1 mg L−1) remained in the nutrient-mineral and mineral media, respectively. Also, the kinetics of TMBPF and its BTPs were the same with and without an additional carbon source. A newly proposed biodegradation pathway for TMBPF involves cleavage of the methylene bridge, hydroxylation with further oxidation, sulphation, nitrification, nitro reduction with further oxidation, acetylation, and glycine conjugation, providing a deeper insight into the fate of TMBPF during biological wastewater treatment.Source: Environmental research [Elektronski vir]. - ISSN 1096-0953 (Vol. 227, [article no.] 115790, Jun. 2023, str. 1-10)Type of material - e-article ; adult, seriousPublish date - 2023Language - englishCOBISS.SI-ID - 147490051
Author
Kovačič, Ana, kemičarka |
Gulin, Martin Rafael |
Nannou, Christina |
Koronaiou, Lelouda-Athanasia |
Kosjek, Tina, 1977- |
Heath, David John |
Maier, Mark S. |
Lambropoulou, Dimitra A. |
Heath, Ester
Topics
alternative bisfenola A |
tetrametil bisfenol F |
odstranjevanje |
biorazgradljivost |
biotransformacijski produkt |
pot biorazgradnje |
bisphenol A alternatives |
tetramethyl bisphenol F |
removal |
biodegradation |
biotransformation product |
biodegradation pathway
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Kovačič, Ana, kemičarka | 39144 |
Gulin, Martin Rafael | ![]() |
Nannou, Christina | ![]() |
Koronaiou, Lelouda-Athanasia | ![]() |
Kosjek, Tina, 1977- | 27733 |
Heath, David John | 19201 |
Maier, Mark S. | ![]() |
Lambropoulou, Dimitra A. | ![]() |
Heath, Ester | 12315 |
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