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231224s2013 xx ||||| 00| ||eng c |
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|a pubmed25n0779.xml
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|a (DE-627)NLM233778187
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|a (NLM)24350447
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Pant, Deepak
|e verfasserin
|4 aut
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| 245 |
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|a Integrated conversion of food waste diluted with sewage into volatile fatty acids through fermentation and electricity through a fuel cell
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|c 2013
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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 Band
|b nc
|2 rdacarrier
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|a Date Completed 16.01.2014
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|a Date Revised 19.12.2013
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|a published: Print
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|a Citation Status MEDLINE
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|a In this study, domestic wastewater was given a second life as dilution medium for concentrated organic waste streams, in particular artificial food waste. A two-step continuous process with first volatile fatty acid (VFA)/hydrogen production and second electricity production in microbial fuel cells (MFCs) was employed. For primary treatment, bioreactors were optimized to produce hydrogen and VFAs. Hydrolysis of the solids and formation of fermentation products and hydrogen was monitored. In the second step, MFCs were operated batch-wise using the effluent rich in VFAs specifically acetic acid from the continuous reactor of the first step. The combined system was able to reduce the chemical oxygen demand load by 90%. The concentration of VFAs was also monitored regularly in the MFCs and showed a decreasing trend over time. Further, the anode potential changed from -500 to OmV vs. Ag/AgCl when the VFAs (especially acetate) were depleted in the system. On feeding the system again with the effluent, the anode potential recovered back to -500 mV vs. Ag/AgCl. Thus, the overall aim of converting chemical energy into electrical energy was achieved with a columbic efficiency of 46% generating 65.33 mA/m2 at a specific cell potential of 148 mV
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Fatty Acids, Volatile
|2 NLM
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|a Sewage
|2 NLM
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|a Arslan, Doga
|e verfasserin
|4 aut
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|a Van Bogaert, Gilbert
|e verfasserin
|4 aut
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|a Gallego, Yolanda Alvarez
|e verfasserin
|4 aut
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|a De Wever, Heleen
|e verfasserin
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|a Diels, Ludo
|e verfasserin
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|a Vanbroekhoven, Karolien
|e verfasserin
|4 aut
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|i Enthalten in
|t Environmental technology
|d 1998
|g 34(2013), 13-16 vom: 17. Juli, Seite 1935-45
|w (DE-627)NLM098202545
|x 0959-3330
|7 nnns
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| 773 |
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|g volume:34
|g year:2013
|g number:13-16
|g day:17
|g month:07
|g pages:1935-45
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|a AR
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|d 34
|j 2013
|e 13-16
|b 17
|c 07
|h 1935-45
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