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231223s2010 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2010.461
|2 doi
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|a pubmed24n0675.xml
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|a (DE-627)NLM202524639
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|a (NLM)20962394
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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 |
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|a Beristain-Montiel, Lizeth
|e verfasserin
|4 aut
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|a Methanization and mineralization of 2-chlorophenol by anaerobic digestion
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|c 2010
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|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 03.01.2011
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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 The aim of this study is to contribute to the knowledge about 2-Chlorophenol (2CP) mineralization and methanization in batch culture. This work was focused on evaluating the effect of: (i) the use of sludge with different periods of previous contact to 2CP, (ii) the electron donor addition in stoichiometric relation with 2CP and (iii) the presence of different initial oxygen concentrations. When compared with the control, 50 and 80 days of previous contact to 2CP resulted in a lag phase reduction of 57% and an increase in 2CP specific consumption rate (q(2CP)) of 114%. These results were obtained with no addition of an external electron donor. When acetate was used as an electron donor its consumption resulted independently of 2CP consumption. No lag phase and increase of 46% in q(2CP) was observed when phenol was used as an electron donor. In the third part when sludge without previous contact to 2CP was used, it was found that consumption efficiency (E(2CP)) and q(2CP) values did not increase in the presence of different oxygen concentrations. However, at the highest oxygen concentration, CH(4) yield (Y(CH(4))(-C/2CP-C)) and phenol yield (Y(phenol-C/2CP-C)) values decreased, while CO(2) yield value (Y(CO(2))(-C/2CP-C)) increased with regard to the methanogenic control. The use of sludge previously exposed to both 2CP and O(2) resulted in an increase in q(2CP) of 73%. However, among the different oxygen concentrations, no significant difference in E(2CP) or q(2CP) values was observed when compared to the control without oxygen. Therefore, previous contact to 2CP resulted in being a key factor for improving 2CP mineralization and methanization in batch culture
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Chlorophenols
|2 NLM
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|a Minerals
|2 NLM
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|a Sewage
|2 NLM
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| 650 |
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|a Water Pollutants, Chemical
|2 NLM
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| 650 |
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|a 2-chlorophenol
|2 NLM
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| 650 |
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|a K9KAV4K6BN
|2 NLM
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| 650 |
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|a Methane
|2 NLM
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| 650 |
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|a OP0UW79H66
|2 NLM
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| 650 |
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|a Oxygen
|2 NLM
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| 650 |
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|a S88TT14065
|2 NLM
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| 700 |
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|a Gómez-Hernández, Jorge
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Monroy-Hermosillo, Oscar
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cuervo-López, Flor de María
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ramírez-Vives, Florina
|e verfasserin
|4 aut
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| 773 |
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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 62(2010), 8 vom: 21., Seite 1791-8
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
1 |
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|g volume:62
|g year:2010
|g number:8
|g day:21
|g pages:1791-8
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| 856 |
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|u http://dx.doi.org/10.2166/wst.2010.461
|3 Volltext
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|a GBV_ILN_350
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|a AR
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|d 62
|j 2010
|e 8
|b 21
|h 1791-8
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