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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2017.09.002
|2 doi
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|a pubmed25n0918.xml
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|a (DE-627)NLM27560148X
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|a (NLM)28888806
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|a (PII)S0956-053X(17)30630-X
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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 Capson-Tojo, Gabriel
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Kinetic study of dry anaerobic co-digestion of food waste and cardboard for methane production
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|c 2017
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 08.11.2017
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|a Date Revised 08.11.2017
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2017 Elsevier Ltd. All rights reserved.
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|a Dry anaerobic digestion is a promising option for food waste treatment and valorization. However, accumulation of ammonia and volatile fatty acids often occurs, leading to inefficient processes and digestion failure. Co-digestion with cardboard may be a solution to overcome this problem. The effect of the initial substrate to inoculum ratio (0.25 to 1gVS·gVS-1) and the initial total solids contents (20-30%) on the kinetics and performance of dry food waste mono-digestion and co-digestion with cardboard was investigated in batch tests. All the conditions produced methane efficiently (71-93% of the biochemical methane potential). However, due to lack of methanogenic activity, volatile fatty acids accumulated at the beginning of the digestion and lag phases in the methane production were observed. At increasing substrate to inoculum ratios, the initial acid accumulation was more pronounced and lower cumulative methane yields were obtained. Higher amounts of soluble organic matter remained undegraded at higher substrate loads. Although causing slightly longer lag phases, high initial total solids contents did not jeopardize the methane yields. Cardboard addition reduced acid accumulation and the decline in the yields at increasing substrate loads. However, cardboard addition also caused higher concentrations of propionic acid, which appeared as the most last acid to be degraded. Nevertheless, dry co-digestion of food waste and cardboard in urban areas is demonstrated asan interesting feasible valorization option
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|a Journal Article
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|a Biomethane
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|a Microbial adaptation
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|a Solid-state AD
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|a Urban solid waste
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7 |
|a Fatty Acids, Volatile
|2 NLM
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| 650 |
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|a Solid Waste
|2 NLM
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| 650 |
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7 |
|a Methane
|2 NLM
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| 650 |
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7 |
|a OP0UW79H66
|2 NLM
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| 700 |
1 |
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|a Rouez, Maxime
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Crest, Marion
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Trably, Eric
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Steyer, Jean-Philippe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bernet, Nicolas
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Delgenès, Jean-Philippe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Escudié, Renaud
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 69(2017) vom: 12. Nov., Seite 470-479
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
1 |
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|g volume:69
|g year:2017
|g day:12
|g month:11
|g pages:470-479
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|u http://dx.doi.org/10.1016/j.wasman.2017.09.002
|3 Volltext
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|d 69
|j 2017
|b 12
|c 11
|h 470-479
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