دورية أكاديمية
Electrolyte selection and microbial toxicity for electrochemical oxidative water treatment using a boron-doped diamond anode to support site specific contamination incident response.
| العنوان: | Electrolyte selection and microbial toxicity for electrochemical oxidative water treatment using a boron-doped diamond anode to support site specific contamination incident response. |
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| المؤلفون: | Phillips RB; Oak Ridge Institute for Science and Education Research Program hosted by US Environmental Protection Agency, 1300 Pennsylvania Avenue NW, Washington, DC 20004, USA., James RR; Battelle Memorial Institute, 505 King Avenue, Columbus, OH 43201, USA., Magnuson ML; US Environmental Protection Agency, 26 W. Martin Luther King Drive, Cincinnati, OH 45220, USA. Electronic address: Magnuson.Matthew@EPA.gov. |
| المصدر: | Chemosphere [Chemosphere] 2018 Apr; Vol. 197, pp. 135-141. Date of Electronic Publication: 2018 Jan 06. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Elsevier Science Ltd Country of Publication: England NLM ID: 0320657 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-1298 (Electronic) Linking ISSN: 00456535 NLM ISO Abbreviation: Chemosphere Subsets: MEDLINE |
| أسماء مطبوعة: | Publication: Oxford : Elsevier Science Ltd Original Publication: Oxford, New York, : Pergamon Press. |
| مواضيع طبية MeSH: | Water Microbiology*, Waste Disposal, Fluid/*methods , Water Pollutants, Chemical/*toxicity, Boron/chemistry ; Diamond/chemistry ; Electrochemistry/methods ; Electrodes ; Electrolytes ; Herbicides/chemistry ; Oxidation-Reduction ; Oxidative Stress ; Pesticides ; Wastewater/chemistry ; Water Pollutants, Chemical/chemistry |
| مستخلص: | Intentional and unintentional contamination incidents, such as terrorist attacks, natural disasters, and accidental spills, can result in large volumes of contaminated water. These waters may require pre-treatment before disposal and assurances that treated waters will not adversely impact biological processes at wastewater treatment facilities, or receiving waters. Based on recommendations of an industrial workgroup, this study addresses such concerns by studying electrochemical advanced oxidation process (EAOP) pre-treatment for contaminated waters, using a boron-doped diamond (BDD) anode, prior to discharge to wastewater treatment facilities. Reaction conditions were investigated, and microbial toxicity was assessed using the Microtox ® toxicity assay and the Nitrification Inhibition test. A range of contaminants were studied including herbicides, pesticides, pharmaceuticals and flame retardants. Resulting toxicities varied with supporting electrolyte from 5% to 92%, often increasing, indicating that microbial toxicity, in addition to parent compound degradation, should be monitored during treatment. These toxicity results are particularly novel because they systematically compare the microbial toxicity effects of a variety of supporting electrolytes, indicating some electrolytes may not be appropriate in certain applications. Further, these results are the first known report of the use of the Nitrification Inhibition test for this application. Overall, these results systematically demonstrate that anodic oxidation using the BDD anode is useful for addressing water contaminated with refractory organic contaminants, while minimizing impacts to wastewater plants or receiving waters accepting EAOP-treated effluent. The results of this study indicate nitrate can be a suitable electrolyte for incident response and, more importantly, serve as a baseline for site specific EAOP usage. (Copyright © 2018 Elsevier Ltd. All rights reserved.) |
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| معلومات مُعتمدة: | EPA999999 United States Intramural EPA |
| فهرسة مساهمة: | Keywords: Boron-doped diamond anode; Electrochemical advanced oxidation process; Microtox(®) toxicity; Nitrification inhibition |
| المشرفين على المادة: | 0 (Electrolytes) 0 (Herbicides) 0 (Pesticides) 0 (Waste Water) 0 (Water Pollutants, Chemical) 7782-40-3 (Diamond) N9E3X5056Q (Boron) |
| تواريخ الأحداث: | Date Created: 20180118 Date Completed: 20180517 Latest Revision: 20221207 |
| رمز التحديث: | 20231215 |
| مُعرف محوري في PubMed: | PMC6129861 |
| DOI: | 10.1016/j.chemosphere.2018.01.007 |
| PMID: | 29339273 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 1879-1298 |
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| DOI: | 10.1016/j.chemosphere.2018.01.007 |