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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2020.07.003
|2 doi
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|a pubmed25n1041.xml
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|a eng
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1 |
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|a Xu, Suyun
|e verfasserin
|4 aut
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|a Assessing the stability of co-digesting sewage sludge with pig manure under different mixing ratios
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 04.08.2020
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|a Date Revised 04.08.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2020 Elsevier Ltd. All rights reserved.
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|a This study assessed the digester stability and overall methane production of co-digestion of sewage sludge (SS) and pig manure (PM). Four different ratios of PM were mixed with SS to reach different final concentrations of total solids (TS), i.e. 4%, 6%, 8% and 10%. Volatile solids (VS) reduction rate decreased along with an increase in TS%, and the maximum cumulative methane yield of 342 mL/g VSrem was obtained in treatment with TS of 6%. When TS was ≥ 8%, accumulation of volatile fatty acids (VFAs), free ammonium nitrogen (FAN) and total ammonium nitrogen (TAN) were observed. At a TS content of 10%, VFAs accumulated to > 20000 mg/L and the highest FAN was 481 mg/L. The suppression of methanogenesis was negatively correlated with FAN and VFA/TIC (P < 0.05). Co-digestion demonstrated to be an effective way to improve the methane yield from SS due to the enriched biodegradable organic substance and more balanced C/N ratio by incorporating PM
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|a Journal Article
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|a Co-digestion
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|a Free ammonium nitrogen
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|a Methane production
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|a Pig manure
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|a Propionic acid
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|a Sewage sludge
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|a Manure
|2 NLM
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|a Sewage
|2 NLM
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|a Methane
|2 NLM
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|a OP0UW79H66
|2 NLM
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| 700 |
1 |
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|a Wang, Chongyang
|e verfasserin
|4 aut
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| 700 |
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|a Sun, Yangyang
|e verfasserin
|4 aut
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| 700 |
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|a Luo, Liwen
|e verfasserin
|4 aut
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| 700 |
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|a Wong, Jonathan Woon-Chung
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 114(2020) vom: 01. Aug., Seite 299-306
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnas
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|g volume:114
|g year:2020
|g day:01
|g month:08
|g pages:299-306
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|u http://dx.doi.org/10.1016/j.wasman.2020.07.003
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