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20240428232057.0 |
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240424s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2024.03.035
|2 doi
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|a pubmed24n1391.xml
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|a eng
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|a Dauptain, K
|e verfasserin
|4 aut
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|a Biomass acid pretreatment impacts on metabolic routes and bacterial composition of dark fermentation process
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|c 2024
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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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|a Date Completed 27.04.2024
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|a Date Revised 27.04.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier Ltd. All rights reserved.
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|a Complex organic matter represents a suitable substrate to produce hydrogen through dark fermentation (DF) process. To increase H2 yields, pretreatment technology is often required. The main objective of the present work was to investigate thermo-acid pretreatment impact on sugar solubilization and biotic parameters of DF of sorghum or organic fraction of municipal solid waste (OFMSW). Biochemical hydrogen potential tests were carried out without inoculum using raw or thermo-acid pretreated substrates. Results showed an improvement in sugar solubilization after thermo-acid pretreatments. Pretreatments led to similar DF performances (H2 and total metabolite production) compared to raw biomasses. Nevertheless, they were responsible for bacterial shifts from Enterobacteriales towards Clostridiales and Bacillales as well as metabolic changes from acetate towards butyrate or ethanol. The metabolic changes were attributed to the biomass pretreatment impact on indigenous bacteria as no change in the metabolic profile was observed after performing thermo-acid pretreatments on irradiated OFMSW (inactivated indigenous bacteria and inoculum addition). Consequently, acid pretreatments were inefficient to improve DF performances but led to metabolic and bacterial community changes due to their impact on indigenous bacteria
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|a Journal Article
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|a Acid pretreatment
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| 650 |
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|a Bacterial communities
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|a Biohydrogen
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|a Dark fermentation
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|a Indigenous bacteria
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| 650 |
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|a Solid Waste
|2 NLM
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| 650 |
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|a Hydrogen
|2 NLM
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| 650 |
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|a 7YNJ3PO35Z
|2 NLM
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| 700 |
1 |
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|a Trably, E
|e verfasserin
|4 aut
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1 |
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|a Santa-Catalina, G
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Carrere, H
|e verfasserin
|4 aut
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 181(2024) vom: 30. Apr., Seite 211-219
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:181
|g year:2024
|g day:30
|g month:04
|g pages:211-219
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|u http://dx.doi.org/10.1016/j.wasman.2024.03.035
|3 Volltext
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