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231224s2012 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2012.146
|2 doi
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|a pubmed25n0727.xml
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|a (DE-627)NLM218170882
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|a (NLM)22643424
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|a DE-627
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|c DE-627
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|a eng
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|a Zhang, Wei
|e verfasserin
|4 aut
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|a Synergetic degradation of Fe/Cu/C for groundwater polluted by trichloroethylene
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|c 2012
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|a Text
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|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 27.07.2012
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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 This study investigated the enhancement of synergetic degradation of Fe/Cu/C (Fe: commercial iron, Cu: solid product of Fe reacted with CuSO(4), C: carbon powder) for simulated groundwater contaminated by trichloroethylene (TCE). Zero valent iron (ZVI) as a reducing agent was proved to be effective for TCE removal. The Fe/Cu/C system resulted in higher reduction efficiency as a result of the synergetic role of Fe/Cu and Fe/C microelectrode than the Fe (ZVI) or Fe/Cu system, and the half-life was only about 0.4 h. When m(Fe) achieved 12.5 g L(-1), the residual concentration of TCE almost leveled off. Fe:Cu = 10:1 or m(C) = 0.0086 g can induce the optimum function for TCE degradation. A neutral condition was appropriate for TCE degradation, and an acidic system slightly favored TCE dechlorination compared with an alkaline system. GC/MS analysis indicated that TCE was dechlorinated to 1,1-dichloroethene (1,1-DCE), cis-1,2-dichloroethene (cis-DCE) and vinyl chloride (VC), and 1,1-DCE might be the precursor. Fe/Cu/C reduction is a highly promising technique for TCE removal, and it is an excellent alternative to enhance TCE reductive dechlorination
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Water Pollutants, Chemical
|2 NLM
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|a Trichloroethylene
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|a 290YE8AR51
|2 NLM
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|a Li, Li
|e verfasserin
|4 aut
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|a Lin, Kuangfei
|e verfasserin
|4 aut
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|a Xiong, Bang
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|a Li, Bingzhi
|e verfasserin
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|a Lu, Shuguang
|e verfasserin
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|a Guo, Meijin
|e verfasserin
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|a Cui, Xinhong
|e verfasserin
|4 aut
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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 65(2012), 12 vom: 30., Seite 2258-64
|w (DE-627)NLM098149431
|x 0273-1223
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|g volume:65
|g year:2012
|g number:12
|g day:30
|g pages:2258-64
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|u http://dx.doi.org/10.2166/wst.2012.146
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