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Inhibitory Effect of Long-Chain Fatty Acids on Biogas Production and the Protective Effect of Membrane Bioreactor
Universitas Gadjah Mada.
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0003-2396-3283
Universitas Gadjah Mada.
Universitas Gadjah Mada.
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2016 (English)In: BioMed Research International, ISSN 2314-6133, E-ISSN 2314-6141Article in journal (Refereed) Published
Sustainable development
The content falls within the scope of Sustainable Development
Abstract [en]

Anaerobic digestion of lipid-containing wastes for biogas production is often hampered by the inhibitory effect of long-chain fatty acids (LCFAs). In this study, the inhibitory effects of LCFAs (palmitic, stearic, and oleic acid) on biogas production as well as the protective effect of a membrane bioreactor (MBR) against LCFAs were examined in thermophilic batch digesters. The results showed that palmitic and oleic acid with concentrations of 3.0 and 4.5 g/L resulted in >50% inhibition on the biogas production, while stearic acid had an even stronger inhibitory effect. The encased cells in the MBR system were able to perform better in the presence of LCFAs. This system exhibited a significantly lower percentage of inhibition than the free cell system, not reaching over 50% at any LCFA concentration tested.[on SciFinder (R)]

Place, publisher, year, edition, pages
2016.
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Industrial Biotechnology
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Resource Recovery
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URN: urn:nbn:se:hb:diva-11431OAI: oai:DiVA.org:hb-11431DiVA: diva2:1056188
Note

MEDLINE AN 2017458109(Journal; Article; (JOURNAL ARTICLE))

Available from: 2016-12-14 Created: 2016-12-14 Last updated: 2017-11-29Bibliographically approved

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Westman, Supansa Y.Taherzadeh, Mohammad J

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