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231222s2001 xx ||||| 00| ||eng c |
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|a (DE-627)NLM115884378
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|a (NLM)11695462
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Parra, S
|e verfasserin
|4 aut
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|a Concentrating versus non-concentrating reactors for solar photocatalytic degradation of p-nitrotoluene-o-sulfonic acid
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|c 2001
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Date Completed 05.03.2002
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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 The photocatalytic oxidation of the non-biodegradable p-nitrotoluene-o-sulfonic acid (p-NTS) in homogeneous (photo-Fenton reactions) and heterogeneous (with TiO2) solutions has been studied at a pilot-scale under solar irradiation at the Plataforma Solar de Almeria (PSA). In this study two different reactors were tested: a medium concentrating radiation system (Heliomans, HM) and a non-concentrating radiation system (CPC). Their advantages and disadvantages for p-NTS degradation have been compared and discussed. The degradation rates obtained in the CPC collector are around three times more efficient than in the HM collectors. However, in both systems, 100% of the initial concentration of p-NTS was removed. Kinetic experiments were performed in both systems using TiO2 suspensions. During the photodegradation, the disappearance of p-NTS was followed by HPLC, the mineralization of the solution by the TOC technique, the evolution of NO3-, NO2-, and SO4(2-) concentration by ionic chromatography, the toxicity by the standard Microtox test, and the biodegradability by BOD5 and COD measurements. The obtained results demonstrated the utility of the heterogeneous catalysis (using TiO2 as catalyst) as a pretreatment method that can be followed by a biological process
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Benzenesulfonates
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|a Coloring Agents
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|a Fenton's reagent
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|a Sulfonic Acids
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|a 4-nitrotoluene-2-sulfonic acid
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|a 121-03-9
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|a titanium dioxide
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|a 15FIX9V2JP
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|a Toluene
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|a Hydrogen Peroxide
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|a BBX060AN9V
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|a Titanium
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|a Iron
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|a E1UOL152H7
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1 |
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|a Malato, S
|e verfasserin
|4 aut
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1 |
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|a Blanco, J
|e verfasserin
|4 aut
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1 |
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|a Péringer, P
|e verfasserin
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|a Pulgari, C
|e verfasserin
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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 44(2001), 5 vom: 02., Seite 219-27
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
1 |
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|g volume:44
|g year:2001
|g number:5
|g day:02
|g pages:219-27
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|d 44
|j 2001
|e 5
|b 02
|h 219-27
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