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Biogas upgrading with hydrogenotrophic methanogenic biofilms

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Biogas upgrading with hydrogenotrophic methanogenic biofilms. / Maegaard, Karen; Garcia-Robledo, Emilio; Kofoed, Michael V.W.; Agneessens, Laura M.; de Jonge, Nadieh; Nielsen, Jeppe L.; Ottosen, Lars D.M.; Nielsen, Lars Peter; Revsbech, Niels Peter.

I: Bioresource Technology, Bind 287, 121422, 2019.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

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APA

CBE

Maegaard K, Garcia-Robledo E, Kofoed MVW, Agneessens LM, de Jonge N, Nielsen JL, Ottosen LDM, Nielsen LP, Revsbech NP. 2019. Biogas upgrading with hydrogenotrophic methanogenic biofilms. Bioresource Technology. 287:Article 121422. https://doi.org/10.1016/j.biortech.2019.121422

MLA

Vancouver

Maegaard K, Garcia-Robledo E, Kofoed MVW, Agneessens LM, de Jonge N, Nielsen JL o.a. Biogas upgrading with hydrogenotrophic methanogenic biofilms. Bioresource Technology. 2019;287. 121422. https://doi.org/10.1016/j.biortech.2019.121422

Author

Maegaard, Karen ; Garcia-Robledo, Emilio ; Kofoed, Michael V.W. ; Agneessens, Laura M. ; de Jonge, Nadieh ; Nielsen, Jeppe L. ; Ottosen, Lars D.M. ; Nielsen, Lars Peter ; Revsbech, Niels Peter. / Biogas upgrading with hydrogenotrophic methanogenic biofilms. I: Bioresource Technology. 2019 ; Bind 287.

Bibtex

@article{b374d96a2e524eeb9bcb9e8736e0f933,
title = "Biogas upgrading with hydrogenotrophic methanogenic biofilms",
abstract = " Hydrogen produced from periodic excess of electrical energy may be added to biogas reactors where it is converted to CH 4 that can be utilized in the existing energy grid. The major challenge with this technology is gas-to-liquid mass transfer limitation. The microbial conversions in reactors designed for hydrogenotrophic methanogenesis were studied with microsensors for H 2 , pH, and CO 2 . The H 2 consumption potential was dependent on the CO 2 concentration, but could partially recover after CO 2 depletion. Reactors with 3-dimensional biofilm carrier material and a large gas headspace allowed for a methanogenic biofilm in direct contact with the gas phase. A high density of Methanoculleus sp. in the biofilm mediated a high rate of CH 4 production, and it was calculated that a reactor filled with 75% carrier material could mediate a biogas upgrading from 50 to 95% CH 4 within 24 h when an equivalent amount of H 2 was added. ",
keywords = "Biofilm, CO limitation, Mass transfer, Methane, Methanogenesis, Microsensor",
author = "Karen Maegaard and Emilio Garcia-Robledo and Kofoed, {Michael V.W.} and Agneessens, {Laura M.} and {de Jonge}, Nadieh and Nielsen, {Jeppe L.} and Ottosen, {Lars D.M.} and Nielsen, {Lars Peter} and Revsbech, {Niels Peter}",
year = "2019",
doi = "10.1016/j.biortech.2019.121422",
language = "English",
volume = "287",
journal = "Bioresource Technology",
issn = "0960-8524",
publisher = "Elsevier BV",

}

RIS

TY - JOUR

T1 - Biogas upgrading with hydrogenotrophic methanogenic biofilms

AU - Maegaard, Karen

AU - Garcia-Robledo, Emilio

AU - Kofoed, Michael V.W.

AU - Agneessens, Laura M.

AU - de Jonge, Nadieh

AU - Nielsen, Jeppe L.

AU - Ottosen, Lars D.M.

AU - Nielsen, Lars Peter

AU - Revsbech, Niels Peter

PY - 2019

Y1 - 2019

N2 - Hydrogen produced from periodic excess of electrical energy may be added to biogas reactors where it is converted to CH 4 that can be utilized in the existing energy grid. The major challenge with this technology is gas-to-liquid mass transfer limitation. The microbial conversions in reactors designed for hydrogenotrophic methanogenesis were studied with microsensors for H 2 , pH, and CO 2 . The H 2 consumption potential was dependent on the CO 2 concentration, but could partially recover after CO 2 depletion. Reactors with 3-dimensional biofilm carrier material and a large gas headspace allowed for a methanogenic biofilm in direct contact with the gas phase. A high density of Methanoculleus sp. in the biofilm mediated a high rate of CH 4 production, and it was calculated that a reactor filled with 75% carrier material could mediate a biogas upgrading from 50 to 95% CH 4 within 24 h when an equivalent amount of H 2 was added.

AB - Hydrogen produced from periodic excess of electrical energy may be added to biogas reactors where it is converted to CH 4 that can be utilized in the existing energy grid. The major challenge with this technology is gas-to-liquid mass transfer limitation. The microbial conversions in reactors designed for hydrogenotrophic methanogenesis were studied with microsensors for H 2 , pH, and CO 2 . The H 2 consumption potential was dependent on the CO 2 concentration, but could partially recover after CO 2 depletion. Reactors with 3-dimensional biofilm carrier material and a large gas headspace allowed for a methanogenic biofilm in direct contact with the gas phase. A high density of Methanoculleus sp. in the biofilm mediated a high rate of CH 4 production, and it was calculated that a reactor filled with 75% carrier material could mediate a biogas upgrading from 50 to 95% CH 4 within 24 h when an equivalent amount of H 2 was added.

KW - Biofilm

KW - CO limitation

KW - Mass transfer

KW - Methane

KW - Methanogenesis

KW - Microsensor

UR - http://www.scopus.com/inward/record.url?scp=85065447645&partnerID=8YFLogxK

U2 - 10.1016/j.biortech.2019.121422

DO - 10.1016/j.biortech.2019.121422

M3 - Journal article

C2 - 31085427

AN - SCOPUS:85065447645

VL - 287

JO - Bioresource Technology

JF - Bioresource Technology

SN - 0960-8524

M1 - 121422

ER -