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Using slaughterhouse waste in a biochemical-based biorefinery – results from pilot scale tests
Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, Framtidens energi.ORCID-id: 0000-0002-5014-3275
Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, Framtidens energi.ORCID-id: 0000-0002-3485-5440
Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, Framtidens energi.ORCID-id: 0000-0002-8268-1967
Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, Framtidens energi.ORCID-id: 0000-0003-2189-0105
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2017 (Engelska)Ingår i: Environmental technology, ISSN 0959-3330, E-ISSN 1479-487X, s. 1275-1284Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

A novel biorefinery concept was piloted using protein-rich slaughterhouse waste, chicken manureand straw as feedstocks. The basic idea was to provide a proof of concept for the production ofplatform chemicals and biofuels from organic waste materials at non-septic conditions. Thedesired biochemical routes were 2,3-butanediol and acetone–butanol fermentation. The resultsshowed that hydrolysis resulted only in low amounts of easily degradable carbohydrates.However, amino acids released from the protein-rich slaughterhouse waste were utilized andfermented by the bacteria in the process. Product formation was directed towards acidogeniccompounds rather than solventogenic products due to increasing pH-value affected by ammoniarelease during amino acid fermentation. Hence, the process was not effective for 2,3-butanediolproduction, whereas butyrate, propionate,γ-aminobutyrate and valerate were predominantlyproduced. This offered fast means for converting tedious protein-rich waste mixtures intoutilizable chemical goods. Furthermore, the residual liquid from the bioreactor showedsignificantly higher biogas production potential than the corresponding substrates. Thecombination of the biorefinery approach to produce chemicals and biofuels with anaerobicdigestion of the residues to recover energy in form of methane and nutrients that can beutilized for animal feed production could be a feasible concept for organic waste utilization.

Ort, förlag, år, upplaga, sidor
2017. s. 1275-1284
Nyckelord [en]
Platform chemicals; biofuels; anaerobic digestion; fermentation; organic waste
Nationell ämneskategori
Bioprocessteknik
Forskningsämne
energi- och miljöteknik
Identifikatorer
URN: urn:nbn:se:mdh:diva-33516DOI: 10.1080/09593330.2016.1225128ISI: 000398961100008PubMedID: 27575339Scopus ID: 2-s2.0-84984876888OAI: oai:DiVA.org:mdh-33516DiVA, id: diva2:1045384
Projekt
ABOWE
Forskningsfinansiär
EU, Europeiska forskningsrådet, 2007CB163PO02Tillgänglig från: 2016-11-09 Skapad: 2016-11-09 Senast uppdaterad: 2019-06-18Bibliografiskt granskad

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Schwede, SebastianThorin, EvaLindmark, JohanKlintenberg, Patrik

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