Thermal and enzymatic treatment of digested manure fibers in the re-injection loop concept to increase biogas yields

Esperanza Jurado Escobar, Hinrich Wilhelm Uellendahl, Stephen Ikechukwu Njoku, C. Kragelund

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Abstrakt

The re-injection loop concept proposes the recirculation of lignocellulosic organic matter after a first cycle of anaerobic digestion in order to increase the conversion into biogas. This re-circulation can potentially increase the methane yield up to 20%. In this study thermal and enzymatic treatment of the digested manure fibers (DMF) in combination with the re-injection loop concept were tested. Thermal treatment of DMF at 105oC showed an increase of the specific methane yield of DMF by 65% while no siginificant effect was observed for enzymatic treatment of DMF for 1 h prior to recirculation into the digester.
OriginalsprogEngelsk
TitelPoster abstract in the Proceedings of the 14th World Congress on Anaerobic Digestion : Reuse of effluent and digestate
ForlagIWA Publishing
Publikationsdato18 nov. 2015
ISBN (Elektronisk)WA-3112293
StatusUdgivet - 18 nov. 2015
Begivenhed14th World Congress on Anaerobic Digestion - Viña del Mar
Varighed: 15 nov. 201518 nov. 2015
http://www.ad14chile.com/

Konference

Konference14th World Congress on Anaerobic Digestion
ByViña del Mar
Periode15/11/201518/11/2015
Internetadresse

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  • Citationsformater

    Escobar, E. J., Uellendahl, H. W., Njoku, S. I., & Kragelund, C. (2015). Thermal and enzymatic treatment of digested manure fibers in the re-injection loop concept to increase biogas yields. I Poster abstract in the Proceedings of the 14th World Congress on Anaerobic Digestion: Reuse of effluent and digestate IWA Publishing.