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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/wer.10862
|2 doi
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|a pubmed25n1184.xml
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|a (DE-627)NLM355370735
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|a (NLM)37032435
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Ng, Kuan Aeng
|e verfasserin
|4 aut
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|a Exploring the potential of Fe(III)-EGTA and Fe(III)-DTPA as the catalysts to enhance UV/persulfate in the degradation of aqueous sulfamethazine
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 24.04.2023
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|a Date Revised 24.04.2023
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|a published: Print
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|a Citation Status MEDLINE
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|a © 2023 Water Environment Federation.
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|a The combination of UV and water-soluble Fe(III) complexes is an effective method for generating Fe(II) in situ for activating advanced oxidation processes. This study explored the potential of Fe(III)-diethylenetriaminepentaacetic acid (Fe(III)-DTPA) and Fe(III)-ethylene glycol-bis(2-aminoethylether)-N,N,N',N'-tetraacetic acid (Fe(III)-EGTA) in activating the UV/persulfate (UV/PS) for sulfamethazine removal. The initial screening showed that Fe(III)-EGTA and Fe(III)-DTPA could significantly improve the rate of sulfamethazine removal. The optimum molar ratios of persulfate to Fe(III)-DTPA and Fe(III)-EGTA were 100:1 and 100:2.5. The predicted percentage of sulfamethazine removal under the optimized conditions, obtained using response surface methodology, was ~99% for both catalysts. The pH range of 6 to 8 did not significantly affect the performance of UV/PS in the removal of sulfamethazine. The percentage sulfamethazine removal in the selected water samples was ranged from 93.6% to 99.6%, agreeing with the predicted value. The performance of both catalysts in activating UV/PS is comparable with that of the frequently used Fe(III)-EDDS. PRACTITIONERS POINTS: The potential of Fe(III)-DTPA and Fe(III)-EGTA in activating UV/persulfate (UV/PS) was explored. Fe(III)-DTPA and Fe(III)-EGTA improved the performance of UV/PS in sulfamethazine removal. Fe(III)-DTPA and Fe(III)-EGTA are effective in catalyzing UV/PS under pH 6 to 8. The performance of Fe(III)-DTPA and Fe(III)-EGTA is comparable with well-studied Fe(III)-EDDS
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|a Journal Article
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|a advanced oxidation processes
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|a catalyst
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|a design of experiments
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|a pharmaceuticals
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|a water treatment
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|a Sulfamethazine
|2 NLM
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|a 48U51W007F
|2 NLM
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|a Ferric Compounds
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|a Pentetic Acid
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|a 7A314HQM0I
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|a Egtazic Acid
|2 NLM
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|a 526U7A2651
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a Sulfates
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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1 |
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|a Low, Kah Hin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tay, Kheng Soo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 95(2023), 4 vom: 01. Apr., Seite e10862
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnas
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| 773 |
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|g volume:95
|g year:2023
|g number:4
|g day:01
|g month:04
|g pages:e10862
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|u http://dx.doi.org/10.1002/wer.10862
|3 Volltext
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