Journal article Open Access

CO2 gasification in a dual fluidized bed reactor system: Impact on the product gas composition

Anna Magdalena Mauerhofer; Josef Fuchs; Stefan Müller; Florian Benedikt; Johannes Christian Schmid; Hermann Hofbauer


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  <identifier identifierType="URL">https://zenodo.org/record/3233549</identifier>
  <creators>
    <creator>
      <creatorName>Anna Magdalena Mauerhofer</creatorName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-7709-8865</nameIdentifier>
      <affiliation>TU Wien</affiliation>
    </creator>
    <creator>
      <creatorName>Josef Fuchs</creatorName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-4627-4475</nameIdentifier>
      <affiliation>TU Wien</affiliation>
    </creator>
    <creator>
      <creatorName>Stefan Müller</creatorName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0001-8878-429X</nameIdentifier>
      <affiliation>TU Wien</affiliation>
    </creator>
    <creator>
      <creatorName>Florian Benedikt</creatorName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-8600-1375</nameIdentifier>
      <affiliation>TU Wien</affiliation>
    </creator>
    <creator>
      <creatorName>Johannes Christian Schmid</creatorName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0001-9381-633X</nameIdentifier>
      <affiliation>TU Wien</affiliation>
    </creator>
    <creator>
      <creatorName>Hermann Hofbauer</creatorName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0001-6318-9072</nameIdentifier>
      <affiliation>TU Wien</affiliation>
    </creator>
  </creators>
  <titles>
    <title>CO2 gasification in a dual fluidized bed reactor system: Impact on the product gas composition</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2019</publicationYear>
  <subjects>
    <subject>CO2 gasification</subject>
    <subject>biomass</subject>
    <subject>100 kWth pilot plant</subject>
    <subject>olivine</subject>
    <subject>H2/CO ratio</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2019-05-15</date>
  </dates>
  <language>en</language>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/3233549</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1016/j.fuel.2019.04.168</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://zenodo.org/communities/heattofuel</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;The use of CO&lt;sub&gt;2&lt;/sub&gt; as gasification agent in the 100 kW&lt;sub&gt;th&lt;/sub&gt; dual fluidized bed gasification pilot plant was investigated at TU Wien. For this purpose, steam as gasification agent was replaced stepwise by CO&lt;sub&gt;2&lt;/sub&gt;. Softwood was used as fuel and olivine as bed material. Starting from 100 vol.-% steam as gasification agent, substituting it by 32, 45 and finally 68 vol.-% CO&lt;sub&gt;2&lt;/sub&gt;. All loop seals were fluidized further with steam, which resulted in these volume percentages. Additionally, a CO&lt;sub&gt;2&lt;/sub&gt; gasification test campaign converting softwood with a mixture (90/10 wt.-%) of olivine and limestone was investigated. For this case, the gasification agent was composed of 65 vol.-% CO&lt;sub&gt;2&lt;/sub&gt; and 35 vol.-% steam. The use of CO&lt;sub&gt;2&lt;/sub&gt; as gasification agent led to changes of the product gas. Instead of a H&lt;sub&gt;2&lt;/sub&gt;-enriched product gas, which was produced during steam gasification, CO and CO&lt;sub&gt;2&lt;/sub&gt; occupied the major share of the product gas. Consequently, the H&lt;sub&gt;2&lt;/sub&gt;/CO ratios as well as the lower heating values decreased when substituting steam by CO&lt;sub&gt;2&lt;/sub&gt;. Tar contents were lower for CO&lt;sub&gt;2&lt;/sub&gt;/steam gasification compared to pure steam gasification.&lt;/p&gt;</description>
  </descriptions>
  <fundingReferences>
    <fundingReference>
      <funderName>European Commission</funderName>
      <funderIdentifier funderIdentifierType="Crossref Funder ID">10.13039/501100000780</funderIdentifier>
      <awardNumber awardURI="info:eu-repo/grantAgreement/EC/H2020/764675/">764675</awardNumber>
      <awardTitle>Biorefinery combining HTL and FT to convert wet and solid organic, industrial wastes into 2nd generation biofuels with highest efficiency</awardTitle>
    </fundingReference>
  </fundingReferences>
</resource>
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