Degradation of Thiamethoxam in aqueous solution by ozonation: Influencing factors, intermediates, degradation mechanism and toxicity assessment
This paper focuses on the degradation of Thiamethoxam (THIA) in aqueous solution by ozonation. Four influencing factors: pH, THIA initial concentration, ozone concentration and temperature were investigated in order to optimize the conditions, and pH showed the greatest impact; the removal efficienc...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Zhao, Qinghua [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Rechteinformationen: |
Nutzungsrecht: Copyright © 2015 Elsevier Ltd. All rights reserved. |
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| Systematik: |
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| Übergeordnetes Werk: |
Enthalten in: Chemosphere - Kidlington, Oxford : Elsevier Science, 1972, 146(2016), Seite 105-112 |
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| Übergeordnetes Werk: |
volume:146 ; year:2016 ; pages:105-112 |
| Links: |
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| DOI / URN: |
10.1016/j.chemosphere.2015.09.009 |
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OLC1972559877 |
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| 520 | |a This paper focuses on the degradation of Thiamethoxam (THIA) in aqueous solution by ozonation. Four influencing factors: pH, THIA initial concentration, ozone concentration and temperature were investigated in order to optimize the conditions, and pH showed the greatest impact; the removal efficiency reached up to 71.19% under the condition of pH 5-11, THIA initial concentration 50-300 mg L(-1), the ozone concentration 10-22.5 mg L(-1) at 293-308 K after 90 min. Four main intermediates were separated and identified and the possible degradation mechanism was proposed. The luminous intensity of photobacteria and the chemical oxygen demand (COD) were measured to assess the changes of toxicity and mineralization in ozonation process, and results showed that the inhibition rate decreased by 60% and 76% of COD was removed after 180 min with the THIA initial concentration was 200 mg L(-1). Our study powerfully demonstrates that the degradation of THIA in aqueous solution by ozonation is a promising technology. | ||
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10.1016/j.chemosphere.2015.09.009 doi PQ20160430 (DE-627)OLC1972559877 (DE-599)GBVOLC1972559877 (PRQ)c1622-643e17ca8dc653835c28f76d90ab88de92fe0a98d5d42902fb70cd99da1796c50 (KEY)0012464820160000146000000105degradationofthiamethoxaminaqueoussolutionbyozonat DE-627 ger DE-627 rakwb eng 333.7 DNB AR 10100 AVZ rvk 38.32 bkl 35.00 bkl Zhao, Qinghua verfasserin aut Degradation of Thiamethoxam in aqueous solution by ozonation: Influencing factors, intermediates, degradation mechanism and toxicity assessment 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier This paper focuses on the degradation of Thiamethoxam (THIA) in aqueous solution by ozonation. Four influencing factors: pH, THIA initial concentration, ozone concentration and temperature were investigated in order to optimize the conditions, and pH showed the greatest impact; the removal efficiency reached up to 71.19% under the condition of pH 5-11, THIA initial concentration 50-300 mg L(-1), the ozone concentration 10-22.5 mg L(-1) at 293-308 K after 90 min. Four main intermediates were separated and identified and the possible degradation mechanism was proposed. The luminous intensity of photobacteria and the chemical oxygen demand (COD) were measured to assess the changes of toxicity and mineralization in ozonation process, and results showed that the inhibition rate decreased by 60% and 76% of COD was removed after 180 min with the THIA initial concentration was 200 mg L(-1). Our study powerfully demonstrates that the degradation of THIA in aqueous solution by ozonation is a promising technology. Nutzungsrecht: Copyright © 2015 Elsevier Ltd. All rights reserved. Ge, Yanan oth Zuo, Peng oth Shi, Dong oth Jia, Shouhua oth Enthalten in Chemosphere Kidlington, Oxford : Elsevier Science, 1972 146(2016), Seite 105-112 (DE-627)129288586 (DE-600)120089-6 (DE-576)014470187 0045-6535 nnns volume:146 year:2016 pages:105-112 http://dx.doi.org/10.1016/j.chemosphere.2015.09.009 Volltext http://www.ncbi.nlm.nih.gov/pubmed/26714292 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4012 AR 10100 38.32 AVZ 35.00 AVZ AR 146 2016 105-112 |
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10.1016/j.chemosphere.2015.09.009 doi PQ20160430 (DE-627)OLC1972559877 (DE-599)GBVOLC1972559877 (PRQ)c1622-643e17ca8dc653835c28f76d90ab88de92fe0a98d5d42902fb70cd99da1796c50 (KEY)0012464820160000146000000105degradationofthiamethoxaminaqueoussolutionbyozonat DE-627 ger DE-627 rakwb eng 333.7 DNB AR 10100 AVZ rvk 38.32 bkl 35.00 bkl Zhao, Qinghua verfasserin aut Degradation of Thiamethoxam in aqueous solution by ozonation: Influencing factors, intermediates, degradation mechanism and toxicity assessment 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier This paper focuses on the degradation of Thiamethoxam (THIA) in aqueous solution by ozonation. Four influencing factors: pH, THIA initial concentration, ozone concentration and temperature were investigated in order to optimize the conditions, and pH showed the greatest impact; the removal efficiency reached up to 71.19% under the condition of pH 5-11, THIA initial concentration 50-300 mg L(-1), the ozone concentration 10-22.5 mg L(-1) at 293-308 K after 90 min. Four main intermediates were separated and identified and the possible degradation mechanism was proposed. The luminous intensity of photobacteria and the chemical oxygen demand (COD) were measured to assess the changes of toxicity and mineralization in ozonation process, and results showed that the inhibition rate decreased by 60% and 76% of COD was removed after 180 min with the THIA initial concentration was 200 mg L(-1). Our study powerfully demonstrates that the degradation of THIA in aqueous solution by ozonation is a promising technology. Nutzungsrecht: Copyright © 2015 Elsevier Ltd. All rights reserved. Ge, Yanan oth Zuo, Peng oth Shi, Dong oth Jia, Shouhua oth Enthalten in Chemosphere Kidlington, Oxford : Elsevier Science, 1972 146(2016), Seite 105-112 (DE-627)129288586 (DE-600)120089-6 (DE-576)014470187 0045-6535 nnns volume:146 year:2016 pages:105-112 http://dx.doi.org/10.1016/j.chemosphere.2015.09.009 Volltext http://www.ncbi.nlm.nih.gov/pubmed/26714292 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4012 AR 10100 38.32 AVZ 35.00 AVZ AR 146 2016 105-112 |
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333.7 DNB AR 10100 AVZ rvk 38.32 bkl 35.00 bkl Degradation of Thiamethoxam in aqueous solution by ozonation: Influencing factors, intermediates, degradation mechanism and toxicity assessment |
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Degradation of Thiamethoxam in aqueous solution by ozonation: Influencing factors, intermediates, degradation mechanism and toxicity assessment |
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Degradation of Thiamethoxam in aqueous solution by ozonation: Influencing factors, intermediates, degradation mechanism and toxicity assessment |
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Zhao, Qinghua |
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degradation of thiamethoxam in aqueous solution by ozonation: influencing factors, intermediates, degradation mechanism and toxicity assessment |
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Degradation of Thiamethoxam in aqueous solution by ozonation: Influencing factors, intermediates, degradation mechanism and toxicity assessment |
| abstract |
This paper focuses on the degradation of Thiamethoxam (THIA) in aqueous solution by ozonation. Four influencing factors: pH, THIA initial concentration, ozone concentration and temperature were investigated in order to optimize the conditions, and pH showed the greatest impact; the removal efficiency reached up to 71.19% under the condition of pH 5-11, THIA initial concentration 50-300 mg L(-1), the ozone concentration 10-22.5 mg L(-1) at 293-308 K after 90 min. Four main intermediates were separated and identified and the possible degradation mechanism was proposed. The luminous intensity of photobacteria and the chemical oxygen demand (COD) were measured to assess the changes of toxicity and mineralization in ozonation process, and results showed that the inhibition rate decreased by 60% and 76% of COD was removed after 180 min with the THIA initial concentration was 200 mg L(-1). Our study powerfully demonstrates that the degradation of THIA in aqueous solution by ozonation is a promising technology. |
| abstractGer |
This paper focuses on the degradation of Thiamethoxam (THIA) in aqueous solution by ozonation. Four influencing factors: pH, THIA initial concentration, ozone concentration and temperature were investigated in order to optimize the conditions, and pH showed the greatest impact; the removal efficiency reached up to 71.19% under the condition of pH 5-11, THIA initial concentration 50-300 mg L(-1), the ozone concentration 10-22.5 mg L(-1) at 293-308 K after 90 min. Four main intermediates were separated and identified and the possible degradation mechanism was proposed. The luminous intensity of photobacteria and the chemical oxygen demand (COD) were measured to assess the changes of toxicity and mineralization in ozonation process, and results showed that the inhibition rate decreased by 60% and 76% of COD was removed after 180 min with the THIA initial concentration was 200 mg L(-1). Our study powerfully demonstrates that the degradation of THIA in aqueous solution by ozonation is a promising technology. |
| abstract_unstemmed |
This paper focuses on the degradation of Thiamethoxam (THIA) in aqueous solution by ozonation. Four influencing factors: pH, THIA initial concentration, ozone concentration and temperature were investigated in order to optimize the conditions, and pH showed the greatest impact; the removal efficiency reached up to 71.19% under the condition of pH 5-11, THIA initial concentration 50-300 mg L(-1), the ozone concentration 10-22.5 mg L(-1) at 293-308 K after 90 min. Four main intermediates were separated and identified and the possible degradation mechanism was proposed. The luminous intensity of photobacteria and the chemical oxygen demand (COD) were measured to assess the changes of toxicity and mineralization in ozonation process, and results showed that the inhibition rate decreased by 60% and 76% of COD was removed after 180 min with the THIA initial concentration was 200 mg L(-1). Our study powerfully demonstrates that the degradation of THIA in aqueous solution by ozonation is a promising technology. |
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Degradation of Thiamethoxam in aqueous solution by ozonation: Influencing factors, intermediates, degradation mechanism and toxicity assessment |
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Ge, Yanan Zuo, Peng Shi, Dong Jia, Shouhua |
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