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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2019.03.021
|2 doi
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|a pubmed25n0989.xml
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|a (PII)S0956-053X(19)30153-9
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|a eng
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|a Ortigueira, Joana
|e verfasserin
|4 aut
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|a Improving the non-sterile food waste bioconversion to hydrogen by microwave pretreatment and bioaugmentation with Clostridium butyricum
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|c 2019
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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
|b cr
|2 rdacarrier
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|a Date Completed 12.09.2019
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|a Date Revised 12.09.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2019 Elsevier Ltd. All rights reserved.
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|a This work targeted the energy recovery from food waste (FW), aiming at the implementation of a potentially participative process of FW conditioning before the non-sterile biological conversion to hydrogen (H2). Food waste conversion was initially performed under sterile conditions, achieving a maximum H2 productivity of 249.5 ± 24.6 mL H2 (L h)-1 and a total H2 production to 4.1 ± 0.2 L L-1. The non-sterile operation was implemented as a way of process simplification, but the total H2 production decreased by 59% due to the FW native microorganisms. To counteract this effect, FW was submitted to acid, microwave (MW), and combined acid and MW pretreatment. The application of 4 min MW, 550 W, efficiently controlled the FW microbial counts. The Clostridium butyricum bioaugmented conversion of MW-pretreated FW accelerated the H2 production to 406.2 ± 8.1 mL (L h)-1 and peaked the total H2 production and conversion yield to 4.6 ± 0.5 L L-1 and 234.6 ± 55.6 mL (g sugar)-1, respectively. These results exceeded in 63, 12 and 4%, respectively, the H2 productivity, total production and sugar conversion yield obtained under sterile conditions, and are encouraging for the future implementation of increasingly responsible waste valorisation practices
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|a Journal Article
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|a Bioenergy
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|a Dark fermentation
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|a Organic acids
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|a Pretreatment
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|a Waste conversion
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|a Hydrogen
|2 NLM
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|a 7YNJ3PO35Z
|2 NLM
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| 700 |
1 |
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|a Martins, Luís
|e verfasserin
|4 aut
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| 700 |
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|a Pacheco, Marta
|e verfasserin
|4 aut
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| 700 |
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|a Silva, Carla
|e verfasserin
|4 aut
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| 700 |
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|a Moura, Patrícia
|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 88(2019) vom: 01. Apr., Seite 226-235
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:88
|g year:2019
|g day:01
|g month:04
|g pages:226-235
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|u http://dx.doi.org/10.1016/j.wasman.2019.03.021
|3 Volltext
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