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231224s2011 xx ||||| 00| ||eng c |
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|a pubmed25n0704.xml
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|a (DE-627)NLM21114276X
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|a (NLM)21882556
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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 Martins, Rui C
|e verfasserin
|4 aut
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| 245 |
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|a Advanced oxidation processes for treatment of effluents from a detergent industry
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1 |
|c 2011
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 01.11.2011
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|a Date Revised 21.11.2013
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|a published: Print
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|a Citation Status MEDLINE
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|a Ozonation, catalytic ozonation, Fenton's and heterogeneous Fenton-like processes were investigated as possible pretreatments of a low biodegradable and highly toxic wastewater produced by a detergent industry. The presence of a Mn-Ce-O catalyst in ozonation enhances the biodegradability and improves the degradation at low pH values. However, a high content of carbonyl compounds adsorbed on the recovered solid indicates some limitations for real-scale application. A commercial Fe2O3-MnOx catalyst shows higher activity as well as higher stability concerning carbon adsorption, but the leaching of metals is larger than for Mn-Ce-O. Regarding the heterogeneous Fenton-like route with an Fe-Ce-O catalyst, even though a high activity and stability are attained, the intermediates are less biodegradable than the original compounds, indicating that the resulting effluent cannot be conducted to an activated sludge post-treatment. The highest enhancement of effluent biodegradability is obtained with the classic homogeneous Fenton's process, with the BOD5/COD ratio increasing from 0.32 to 0.80. This process was scaled up and the treated effluent is now safely directed to a municipal wastewater treatment plant
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Detergents
|2 NLM
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|a Fenton's reagent
|2 NLM
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|a Industrial Waste
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a Hydrogen Peroxide
|2 NLM
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|a BBX060AN9V
|2 NLM
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|a Iron
|2 NLM
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|a E1UOL152H7
|2 NLM
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|a Oxygen
|2 NLM
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|a S88TT14065
|2 NLM
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| 700 |
1 |
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|a Silva, Adrián M T
|e verfasserin
|4 aut
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1 |
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|a Castro-Silva, Sérgio
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Garção-Nunes, Paulo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Quinta-Ferreira, Rosa M
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Environmental technology
|d 1993
|g 32(2011), 9-10 vom: 23. Juli, Seite 1031-41
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnas
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| 773 |
1 |
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|g volume:32
|g year:2011
|g number:9-10
|g day:23
|g month:07
|g pages:1031-41
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|d 32
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|h 1031-41
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