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Biocatalytic methanation of hydrogen and carbon dioxide in an anaerobic three-phase system.

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Title: Biocatalytic methanation of hydrogen and carbon dioxide in an anaerobic three-phase system.
Authors: Burkhardt, M.1 Burkhardt@tu-cottbus.de, Koschack, T.1, Busch, G.1
Source: Bioresource Technology. Feb2015, Vol. 178, p330-333. 4p.
Subjects: Biocatalysis, Methanation, Hydrogen, Carbon dioxide, Anaerobic digestion, Trickle bed reactors
Abstract: A new type of anaerobic trickle-bed reactor was used for biocatalytic methanation of hydrogen and carbon dioxide under mesophilic temperatures and ambient pressure in a continuous process. The conversion of gaseous substrates through immobilized hydrogenotrophic methanogenic archaea in a biofilm is a unique feature of this type of reactor. Due to the formation of a three-phase system on the carrier surface and operation as a plug flow reactor without gas recirculation, a complete reaction could be observed. With a methane concentration higher than c CH 4 = 98 % , the product gas exhibits a very high quality. A specific methane production of P CH 4 = 1.49 Nm 3 / ( m SV 3 d ) was achieved at a hydraulic loading rate of LR H 2 = 6.0 Nm 3 / ( m SV 3 d ) . The relation between trickle flow through the reactor and productivity could be shown. An application for methane enrichment in combination with biogas facilities as a source of carbon dioxide has also been positively proven. [ABSTRACT FROM AUTHOR]
Copyright of Bioresource Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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PubTypeId: academicJournal
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  Data: Biocatalytic methanation of hydrogen and carbon dioxide in an anaerobic three-phase system.
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  Data: <searchLink fieldCode="AR" term="%22Burkhardt%2C+M%2E%22">Burkhardt, M.</searchLink><relatesTo>1</relatesTo><i> Burkhardt@tu-cottbus.de</i><br /><searchLink fieldCode="AR" term="%22Koschack%2C+T%2E%22">Koschack, T.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Busch%2C+G%2E%22">Busch, G.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Bioresource+Technology%22">Bioresource Technology</searchLink>. Feb2015, Vol. 178, p330-333. 4p.
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  Data: <searchLink fieldCode="DE" term="%22Biocatalysis%22">Biocatalysis</searchLink><br /><searchLink fieldCode="DE" term="%22Methanation%22">Methanation</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrogen%22">Hydrogen</searchLink><br /><searchLink fieldCode="DE" term="%22Carbon+dioxide%22">Carbon dioxide</searchLink><br /><searchLink fieldCode="DE" term="%22Anaerobic+digestion%22">Anaerobic digestion</searchLink><br /><searchLink fieldCode="DE" term="%22Trickle+bed+reactors%22">Trickle bed reactors</searchLink>
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  Data: A new type of anaerobic trickle-bed reactor was used for biocatalytic methanation of hydrogen and carbon dioxide under mesophilic temperatures and ambient pressure in a continuous process. The conversion of gaseous substrates through immobilized hydrogenotrophic methanogenic archaea in a biofilm is a unique feature of this type of reactor. Due to the formation of a three-phase system on the carrier surface and operation as a plug flow reactor without gas recirculation, a complete reaction could be observed. With a methane concentration higher than c CH 4 = 98 % , the product gas exhibits a very high quality. A specific methane production of P CH 4 = 1.49 Nm 3 / ( m SV 3 d ) was achieved at a hydraulic loading rate of LR H 2 = 6.0 Nm 3 / ( m SV 3 d ) . The relation between trickle flow through the reactor and productivity could be shown. An application for methane enrichment in combination with biogas facilities as a source of carbon dioxide has also been positively proven. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Bioresource Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.biortech.2014.08.023
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      – Code: eng
        Text: English
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        PageCount: 4
        StartPage: 330
    Subjects:
      – SubjectFull: Biocatalysis
        Type: general
      – SubjectFull: Methanation
        Type: general
      – SubjectFull: Hydrogen
        Type: general
      – SubjectFull: Carbon dioxide
        Type: general
      – SubjectFull: Anaerobic digestion
        Type: general
      – SubjectFull: Trickle bed reactors
        Type: general
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      – TitleFull: Biocatalytic methanation of hydrogen and carbon dioxide in an anaerobic three-phase system.
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              Text: Feb2015
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