Mineralization of Quinoline by BDD Anodes: Variable Effects and Its Effluent Characteristics
BDD anodes were selected for quinoline mineralization and influence of operating parameters, such as current density, initial quinoline concentration, supporting electrolyte, and initial pH was investigated. Based on the consideration of quinoline removal efficiency and average current efficiency, a...
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| Format: | Article |
| Language: | English |
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Wiley
2015-01-01
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| Series: | Journal of Chemistry |
| Online Access: | http://dx.doi.org/10.1155/2015/617850 |
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| author | C. R. Wang J. Wang X. G. Ma H. Li S. Z. Zhang |
| author_facet | C. R. Wang J. Wang X. G. Ma H. Li S. Z. Zhang |
| author_sort | C. R. Wang |
| collection | DOAJ |
| description | BDD anodes were selected for quinoline mineralization and influence of operating parameters, such as current density, initial quinoline concentration, supporting electrolyte, and initial pH was investigated. Based on the consideration of quinoline removal efficiency and average current efficiency, at initial quinoline concentration of 50 mg L−1 and pH of 7, the optimal condition was confirmed as current density of 75 mA cm−2, electrolysis time of 1.5 h, and Na2SO4 concentration of 0.05 mol L−1 by orthogonal test. At different electrolysis time, its effluent characteristics were focused on. The biodegradability (the ratio between BOD5 and COD) was enhanced from initial 0.02 to 0.57 at 90 min. The specific oxygen uptake rate was used to assess effluent toxicity, and the value gradually reduced with decreasing effluent organic concentration with mean value of 5.51, 4.19, and 2.20 mgO2 g−1MLSS at electrolysis time of 15, 30, and 45 min, respectively. Compared with control sample (prepared with glucose), the effluent of quinoline mineralization showed obvious inhibition effect on microorganisms at electrolysis time of 15 min, and then it was significantly faded at 30 min and 45 min. |
| format | Article |
| id | doaj-art-53d4c37866c64a5ba41410ba5e26472c |
| institution | Kabale University |
| issn | 2090-9063 2090-9071 |
| language | English |
| publishDate | 2015-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Chemistry |
| spelling | doaj-art-53d4c37866c64a5ba41410ba5e26472c2025-02-03T01:24:28ZengWileyJournal of Chemistry2090-90632090-90712015-01-01201510.1155/2015/617850617850Mineralization of Quinoline by BDD Anodes: Variable Effects and Its Effluent CharacteristicsC. R. Wang0J. Wang1X. G. Ma2H. Li3S. Z. Zhang4School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing, Beijing 100083, ChinaSchool of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing, Beijing 100083, ChinaSchool of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing, Beijing 100083, ChinaSchool of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing, Beijing 100083, ChinaSchool of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing, Beijing 100083, ChinaBDD anodes were selected for quinoline mineralization and influence of operating parameters, such as current density, initial quinoline concentration, supporting electrolyte, and initial pH was investigated. Based on the consideration of quinoline removal efficiency and average current efficiency, at initial quinoline concentration of 50 mg L−1 and pH of 7, the optimal condition was confirmed as current density of 75 mA cm−2, electrolysis time of 1.5 h, and Na2SO4 concentration of 0.05 mol L−1 by orthogonal test. At different electrolysis time, its effluent characteristics were focused on. The biodegradability (the ratio between BOD5 and COD) was enhanced from initial 0.02 to 0.57 at 90 min. The specific oxygen uptake rate was used to assess effluent toxicity, and the value gradually reduced with decreasing effluent organic concentration with mean value of 5.51, 4.19, and 2.20 mgO2 g−1MLSS at electrolysis time of 15, 30, and 45 min, respectively. Compared with control sample (prepared with glucose), the effluent of quinoline mineralization showed obvious inhibition effect on microorganisms at electrolysis time of 15 min, and then it was significantly faded at 30 min and 45 min.http://dx.doi.org/10.1155/2015/617850 |
| spellingShingle | C. R. Wang J. Wang X. G. Ma H. Li S. Z. Zhang Mineralization of Quinoline by BDD Anodes: Variable Effects and Its Effluent Characteristics Journal of Chemistry |
| title | Mineralization of Quinoline by BDD Anodes: Variable Effects and Its Effluent Characteristics |
| title_full | Mineralization of Quinoline by BDD Anodes: Variable Effects and Its Effluent Characteristics |
| title_fullStr | Mineralization of Quinoline by BDD Anodes: Variable Effects and Its Effluent Characteristics |
| title_full_unstemmed | Mineralization of Quinoline by BDD Anodes: Variable Effects and Its Effluent Characteristics |
| title_short | Mineralization of Quinoline by BDD Anodes: Variable Effects and Its Effluent Characteristics |
| title_sort | mineralization of quinoline by bdd anodes variable effects and its effluent characteristics |
| url | http://dx.doi.org/10.1155/2015/617850 |
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