Inhibitory Effect of Long-Chain Fatty Acids on Biogas Production and the Protective Effect of Membrane Bioreactor

Dasa, Kris, 1989 (författare): Gadjah Mada University,Universitas Gadjah Mada

Westman, Supansa Y. (författare): Högskolan i Borås,Akademin för textil, teknik och ekonomi

Millati, Ria, 1972 (författare): Gadjah Mada University,Universitas Gadjah Mada

Cahyanto, M. N. (författare): Gadjah Mada University,Universitas Gadjah Mada

Taherzadeh Esfahani, Mohammad, 1965 (författare): Högskolan i Borås,University of Borås

Niklasson, Claes, 1957 (författare): Chalmers tekniska högskola,Chalmers University of Technology,Chalmers

Taherzadeh, Mohammad J, 1965- (författare): Högskolan i Borås,Akademin för textil, teknik och ekonomi,Resource Recovery

(creator_code:org_t)

Hindawi Limited, 2016
2016
Engelska.
Ingår i: BioMed Research International. - : Hindawi Limited. - 2314-6133 .- 2314-6141. ; 2016:ID:7263974, s. 9 pages-

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Abstract Ämnesord

Stäng

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.

Av författaren/redakt...: Dasa, Kris, 1989; Westman, Supansa ...; Millati, Ria, 19 ...; Cahyanto, M. N.; Taherzadeh Esfah ...; Niklasson, Claes ...; visa fler...; Taherzadeh, Moha ...; visa färre...

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