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Reactivity and lifetime assessment of an oxygen releasable manganese ore with biomass fuels in a 10 kW th pilot rig for chemical looping combustion

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Title: Reactivity and lifetime assessment of an oxygen releasable manganese ore with biomass fuels in a 10 kW th pilot rig for chemical looping combustion
Authors: Mei, Daofeng, 1986, Soleimani Salim, Amir H, 1985, Linderholm, Carl Johan, 1976, Lyngfelt, Anders, 1955, Mattisson, Tobias, 1970
Source: Fuel Processing Technology. 215
Subject Terms: Chemical looping combustion, Oxygen carrier, Manganese ore, Fluidised bed attrition, CO capture 2, Biomass solid fuels
Description: Finding a suitable oxygen carrier is crucial for the development of Chemical Looping Combustion (CLC). A new manganese ore was tested with different biomass fuels in a recently commissioned 10 kWth unit. The ore maintains the capability of generating O2 gas in N2 after continuous operations with the fuels, however, the concentration was relatively low within 0.45–1.0 vol% at 820 to 975 °C. Influence of temperature, solids circulation and fuel power was examined for different fuels. Temperature increase enhances the carbon capture and reduces the oxygen demand, while the solids circulation and fuel power should be carefully controlled. Using biomass char the oxygen demand can be lowered to 2.6% while the carbon capture was close to 99%. The manganese ore showed a higher reactivity than the often-used ilmenite. Thus, a decrease of 8–10% in oxygen demand was achieved by using the manganese ore in comparison to ilmenite. During the 42 h of hot operation, defluidisation was not observed. Based on the analysis of the 35 fine samples collected, the initial attrition after first hours of operation was high, but gradually decreased to a relatively stable value of 0.27 and 0.12 wt%/h for hot and fuel operations, respectively, corresponding a lifetime of 370–830 h.
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  Label: Title
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  Data: Reactivity and lifetime assessment of an oxygen releasable manganese ore with biomass fuels in a 10 kW th pilot rig for chemical looping combustion
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Mei%2C+Daofeng%22">Mei, Daofeng</searchLink>, 1986<br /><searchLink fieldCode="AR" term="%22Soleimani+Salim%2C+Amir+H%22">Soleimani Salim, Amir H</searchLink>, 1985<br /><searchLink fieldCode="AR" term="%22Linderholm%2C+Carl+Johan%22">Linderholm, Carl Johan</searchLink>, 1976<br /><searchLink fieldCode="AR" term="%22Lyngfelt%2C+Anders%22">Lyngfelt, Anders</searchLink>, 1955<br /><searchLink fieldCode="AR" term="%22Mattisson%2C+Tobias%22">Mattisson, Tobias</searchLink>, 1970
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <i>Fuel Processing Technology</i>. 215
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Chemical+looping+combustion%22">Chemical looping combustion</searchLink><br /><searchLink fieldCode="DE" term="%22Oxygen+carrier%22">Oxygen carrier</searchLink><br /><searchLink fieldCode="DE" term="%22Manganese+ore%22">Manganese ore</searchLink><br /><searchLink fieldCode="DE" term="%22Fluidised+bed+attrition%22">Fluidised bed attrition</searchLink><br /><searchLink fieldCode="DE" term="%22CO+capture+2%22">CO capture 2</searchLink><br /><searchLink fieldCode="DE" term="%22Biomass+solid+fuels%22">Biomass solid fuels</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: Finding a suitable oxygen carrier is crucial for the development of Chemical Looping Combustion (CLC). A new manganese ore was tested with different biomass fuels in a recently commissioned 10 kWth unit. The ore maintains the capability of generating O2 gas in N2 after continuous operations with the fuels, however, the concentration was relatively low within 0.45–1.0 vol% at 820 to 975 °C. Influence of temperature, solids circulation and fuel power was examined for different fuels. Temperature increase enhances the carbon capture and reduces the oxygen demand, while the solids circulation and fuel power should be carefully controlled. Using biomass char the oxygen demand can be lowered to 2.6% while the carbon capture was close to 99%. The manganese ore showed a higher reactivity than the often-used ilmenite. Thus, a decrease of 8–10% in oxygen demand was achieved by using the manganese ore in comparison to ilmenite. During the 42 h of hot operation, defluidisation was not observed. Based on the analysis of the 35 fine samples collected, the initial attrition after first hours of operation was high, but gradually decreased to a relatively stable value of 0.27 and 0.12 wt%/h for hot and fuel operations, respectively, corresponding a lifetime of 370–830 h.
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.fuproc.2021.106743
    Languages:
      – Text: English
    Subjects:
      – SubjectFull: Chemical looping combustion
        Type: general
      – SubjectFull: Oxygen carrier
        Type: general
      – SubjectFull: Manganese ore
        Type: general
      – SubjectFull: Fluidised bed attrition
        Type: general
      – SubjectFull: CO capture 2
        Type: general
      – SubjectFull: Biomass solid fuels
        Type: general
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      – TitleFull: Reactivity and lifetime assessment of an oxygen releasable manganese ore with biomass fuels in a 10 kW th pilot rig for chemical looping combustion
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            NameFull: Mei, Daofeng
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            NameFull: Soleimani Salim, Amir H
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            NameFull: Linderholm, Carl Johan
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            NameFull: Lyngfelt, Anders
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            NameFull: Mattisson, Tobias
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              Type: published
              Y: 2021
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              Value: 215
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            – TitleFull: Fuel Processing Technology
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