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231225s2017 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2017.310
|2 doi
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|a pubmed24n0924.xml
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|a (NLM)29068328
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Boukhrissa, Athir
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Study of the degradation in aqueous solution of a refractory organic compound
|b avermectin type used as pesticide in agriculture
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|c 2017
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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
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 08.01.2018
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|a Date Revised 02.12.2018
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|a published: Print
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|a Citation Status MEDLINE
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|a We examined the removal of abamectin by the electro-Fenton (EF) process and the feasibility of biological treatment after degradation. The effect of the operating parameters showed that abamectin (Aba) degradation was enhanced with increasing temperature. Response surface analysis of the central composite design led to the following optimal conditions for the abatement of chemical oxygen demand: 45.5 °C, 5 mg L-1, 150 mA, and 0.15 mmol L-1 for the temperature, initial Aba concentration, current intensity, and catalyst concentration, respectively. Under these conditions, 68.01% of the organic matter was removed and 94% of Aba was degraded after 5 h and 20 min of electrolysis, respectively. A biodegradability test, which was performed on a solution electrolyzed at 47 °C, 9 mg L-1, 150 mA, and 0.15 mmol L-1, confirms that the ratio of biological oxygen demand/chemical oxygen demand increased appreciably from 0.0584 to 0.64 after 5 h of electrolysis. This increased ratio is slightly above the limit of biodegradability (0.4). These results show the relevance of the EF process and its effectiveness for abamectin degradation. We conclude that biological treatment can be combined with the EF process for total mineralization
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|a Journal Article
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|a Organic Chemicals
|2 NLM
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|a Pesticides
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a Water
|2 NLM
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| 650 |
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|a 059QF0KO0R
|2 NLM
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|a abamectin
|2 NLM
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| 650 |
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|a 5U8924T11H
|2 NLM
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| 650 |
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|a Ivermectin
|2 NLM
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| 650 |
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|a 70288-86-7
|2 NLM
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| 650 |
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|a avermectin
|2 NLM
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| 650 |
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|a 73989-17-0
|2 NLM
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| 650 |
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|a Hydrogen Peroxide
|2 NLM
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| 650 |
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|a BBX060AN9V
|2 NLM
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| 650 |
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|a Iron
|2 NLM
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| 650 |
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|a E1UOL152H7
|2 NLM
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| 700 |
1 |
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|a Ferrag-Siagh, Fatiha
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rouidi, Lina-Mounia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chemat, Smaïn
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Aït-Amar, Hamid
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 76(2017), 7-8 vom: 18. Okt., Seite 1966-1980
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
1 |
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|g volume:76
|g year:2017
|g number:7-8
|g day:18
|g month:10
|g pages:1966-1980
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|u http://dx.doi.org/10.2166/wst.2017.310
|3 Volltext
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