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

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

Department of Chemistry and Bioscience

Research output: Contribution to book/anthology/report/conference proceeding › Conference abstract in proceeding › Research › peer-review

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Abstract

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.

Original language	English
Title of host publication	Poster abstract in the Proceedings of the 14th World Congress on Anaerobic Digestion : Reuse of effluent and digestate
Publisher	IWA Publishing
Publication date	18 Nov 2015
ISBN (Electronic)	WA-3112293
Publication status	Published - 18 Nov 2015
Event	14th World Congress on Anaerobic Digestion - Viña del Mar Duration: 15 Nov 2015 → 18 Nov 2015 http://www.ad14chile.com/

Conference

Conference	14th World Congress on Anaerobic Digestion
City	Viña del Mar
Period	15/11/2015 → 18/11/2015
Internet address	http://www.ad14chile.com/

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Thermal And Enzymatic Treatment Of Digested Manure Fibers In The Re-injection Loop Concept To Increase Biogas YieldsFinal published version, 752 KB

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

abstract = "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.",

author = "Escobar, {Esperanza Jurado} and Uellendahl, {Hinrich Wilhelm} and Njoku, {Stephen Ikechukwu} and C. Kragelund",

year = "2015",

month = nov,

day = "18",

language = "English",

booktitle = "Poster abstract in the Proceedings of the 14th World Congress on Anaerobic Digestion",

publisher = "IWA Publishing",

note = "14th World Congress on Anaerobic Digestion, AD14 ; Conference date: 15-11-2015 Through 18-11-2015",

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}

Escobar, EJ, Uellendahl, HW, Njoku, SI & Kragelund, C 2015, Thermal and enzymatic treatment of digested manure fibers in the re-injection loop concept to increase biogas yields. in Poster abstract in the Proceedings of the 14th World Congress on Anaerobic Digestion: Reuse of effluent and digestate. IWA Publishing, 14th World Congress on Anaerobic Digestion, Viña del Mar, 15/11/2015.

Thermal and enzymatic treatment of digested manure fibers in the re-injection loop concept to increase biogas yields. / Escobar, Esperanza Jurado; Uellendahl, Hinrich Wilhelm; Njoku, Stephen Ikechukwu et al.
Poster abstract in the Proceedings of the 14th World Congress on Anaerobic Digestion: Reuse of effluent and digestate. IWA Publishing, 2015.

Research output: Contribution to book/anthology/report/conference proceeding › Conference abstract in proceeding › Research › peer-review

TY - ABST

T1 - Thermal and enzymatic treatment of digested manure fibers in the re-injection loop concept to increase biogas yields

AU - Escobar, Esperanza Jurado

AU - Uellendahl, Hinrich Wilhelm

AU - Njoku, Stephen Ikechukwu

AU - Kragelund, C.

PY - 2015/11/18

Y1 - 2015/11/18

N2 - 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.

AB - 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.

M3 - Conference abstract in proceeding

BT - Poster abstract in the Proceedings of the 14th World Congress on Anaerobic Digestion

PB - IWA Publishing

T2 - 14th World Congress on Anaerobic Digestion

Y2 - 15 November 2015 through 18 November 2015

ER -

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

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