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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2023.07.032
|2 doi
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|a pubmed25n1201.xml
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|a (NLM)37549528
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|a (PII)S0956-053X(23)00506-8
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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 Parchami, Milad
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Membrane bioreactor assisted volatile fatty acids production from agro-industrial residues for ruminant feed application
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|c 2023
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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 Revised 13.10.2023
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a Copyright © 2023 The Authors. Published by Elsevier Ltd.. All rights reserved.
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|a Volatile fatty acids (VFAs) supplementation in ruminants' diet as a source of energy and chemical precursors and their effect on animal's physiology and well-being has long been of scientific interest. Production of VFAs through anaerobic digestion of agro-industrial residues not only creates value but also presents an alternative sustainable approach for ruminant feed supplementation. Therefore, this study aimed to investigate the bioconversion of agro-industrial residues produced in large quantities such as apple pomace (AP), thin stillage (Ts), and potato protein liquor (PPL) to VFAs, fully complying to regulations set for ruminant feed supplement production. In this regard, batch acidogenic fermentation assays (pH 6-10) and semi-continuous immersed membrane bioreactor (iMBR) were applied. In batch assays, at pH 10 the co-digestion of Ts and PPL produced the highest VFAs concentration (14.2 g/L), indicating a yield of 0.85 g CODVFAs/g volatile solids (VS)added. The optimum batch condition was then applied in the iMBR for in situ fermentation and recovery of VFAs at different organic loading rates (OLR). With increasing the OLR to 3.7 gVS/L.day, the highest VFAs concentration of 28.6 g/L (1,2 g CODVFAs /gVSadded) was achieved. Successful long-term (114 days) membrane filtration was conducted in a media with a maximum of 40 g/L of total solids (TS), facing irreversible membrane fouling in the final stages. Acidogenic fermentation using an iMBR has the potential to play an important role in the future of feed additive provision through the biorefining of agro-industrial wastes via the carboxylate platform, given the role of VFAs production from organic residues
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|a Journal Article
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|a Agro-industrial residues
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|a Anaerobic digestion
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|a Membrane bioreactor
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|a Ruminant feed
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|a Volatile fatty acids
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|a Uwineza, Clarisse
|e verfasserin
|4 aut
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| 700 |
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|a Ibeabuchi, Onyinyechi H
|e verfasserin
|4 aut
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|a Rustas, Bengt-Ove
|e verfasserin
|4 aut
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|a Taherzadeh, Mohammad J
|e verfasserin
|4 aut
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| 700 |
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|a Mahboubi, Amir
|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 170(2023) vom: 01. Okt., Seite 62-74
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnas
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| 773 |
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|g volume:170
|g year:2023
|g day:01
|g month:10
|g pages:62-74
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|u http://dx.doi.org/10.1016/j.wasman.2023.07.032
|3 Volltext
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