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231224s2014 xx |||||o 00| ||eng c |
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7 |
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|a 10.1080/09593330.2014.925512
|2 doi
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|a pubmed25n0805.xml
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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 Serrano, Antonio
|e verfasserin
|4 aut
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| 245 |
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|a Anaerobic co-digestion of sewage sludge and strawberry extrudate under mesophilic conditions
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|c 2014
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| 336 |
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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
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|2 rdacarrier
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|a Date Completed 20.03.2015
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|a Date Revised 05.09.2014
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The biomethanization of sewage sludge has several disadvantages such as low methane yield, poor biodegradability and nutrient imbalance. In this paper, a sewage sludge and strawberry extrudate mixture in a proportion of 40:60 (wet weight) is proposed to improve the viability of the process. The addition of an easily biodegradable co-substrate enhanced the nutrient balance and diluted the heavy metals and inhibitors from sewage sludge. Two different experimental set-ups at lab and semi-pilot scale were employed in order to ensure the reproducibility and significance of the obtained values. Co-digestion improved the stability of the process by decreasing the alkalinity to a mean value of 3215 ± 190 mg CaCO₃/L, while maintaining the pH within the optimal range for anaerobic digestion. The methane yield coefficient and biodegradability were 176 L/kg VS (total volatile solids) (0°C, 1 atm) and 81% (VS), respectively. Kinetic parameters decreased at the highest loads, suggesting the occurrence of a slowing down phenomenon. A quality organic amendment with a heavy metal content lower than the limits established under European legislation for agricultural applications was obtained from the digestate of the proposed treatment
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a digestate
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|a mesophilic anaerobic co-digestion
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|a sewage sludge
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|a strawberry extrudate
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|a volatile fatty acids
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|a Fertilizers
|2 NLM
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|a Sewage
|2 NLM
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| 650 |
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|a Waste Products
|2 NLM
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|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 Siles, José A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chica, Arturo F
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Martín, M Ángeles
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Environmental technology
|d 1998
|g 35(2014), 21-24 vom: 04. Nov., Seite 2920-7
|w (DE-627)NLM098202545
|x 0959-3330
|7 nnns
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|g volume:35
|g year:2014
|g number:21-24
|g day:04
|g month:11
|g pages:2920-7
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