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Integration of sorbent-based direct air capture into combined heat and power plants with post-combustion carbon capture

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Titel: Integration of sorbent-based direct air capture into combined heat and power plants with post-combustion carbon capture
Autoren: Hoseinpoori, Sina, 1993, Roshan Kumar, Tharun, 1995, Beiron, Johanna, 1992, Johnsson, Filip, 1960, Svensson, Elin, 1980, Pallarès, David, 1975
Quelle: Energy. 328
Schlagwörter: Carbon capture and storage, District heating, Process integration, Techno-economics, Combined heat and power, Optimization, Direct air capture
Beschreibung: Combined heat and power (CHP) plants that provide district heating are underutilized due to seasonal variations in heat demand. This work provides an assessment of the techno-economic potential of integrating sorbent-based direct air capture (s-DAC) into CHP plants in district heating systems, so as to expand the business portfolio of the plant and increase its utilization. The proposed integrated system utilizes the existing CHP infrastructure to provide heat at 100 °C, and high-temperature heat pumps to upgrade available waste heat from a post-combustion carbon capture (PCC) unit, so as to drive a s-DAC process. A bottom-up framework methodology is used to quantify the carbon dioxide removal (CDR) potential of the proposed system and identify the optimal design and operation, while considering cost optimization with respect to fuel type, district heating demand, the extent of heat recovery within the plant, heat and electricity prices, and carbon removal prices. The results show that for a 167-MW reference plant with PCC, integration of a s-DAC process that is dimensioned for maximum removal (i.e., not optimizing the economics but instead prioritizing the extent of carbon removal) provides additional carbon removal from the atmosphere of 162.7 ktCO2/y. A net-positive cash flow is attained at CDR credit prices in the range of 279–685 €/tCO2 (reflecting zero heat recovery to full heat recovery). For profit-driven operations, the results indicate that for a CDR credit price of 615 €/tCO2, s-DAC and PCC contribute 11.8 % and 67.1 %, respectively, of the total yearly net cash flow of the plant.
Dateibeschreibung: electronic
Zugangs-URL: https://research.chalmers.se/publication/546654
https://research.chalmers.se/publication/546654/file/546654_Fulltext.pdf
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  Data: Integration of sorbent-based direct air capture into combined heat and power plants with post-combustion carbon capture
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  Data: <searchLink fieldCode="AR" term="%22Hoseinpoori%2C+Sina%22">Hoseinpoori, Sina</searchLink>, 1993<br /><searchLink fieldCode="AR" term="%22Roshan+Kumar%2C+Tharun%22">Roshan Kumar, Tharun</searchLink>, 1995<br /><searchLink fieldCode="AR" term="%22Beiron%2C+Johanna%22">Beiron, Johanna</searchLink>, 1992<br /><searchLink fieldCode="AR" term="%22Johnsson%2C+Filip%22">Johnsson, Filip</searchLink>, 1960<br /><searchLink fieldCode="AR" term="%22Svensson%2C+Elin%22">Svensson, Elin</searchLink>, 1980<br /><searchLink fieldCode="AR" term="%22Pallarès%2C+David%22">Pallarès, David</searchLink>, 1975
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  Data: <i>Energy</i>. 328
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  Data: <searchLink fieldCode="DE" term="%22Carbon+capture+and+storage%22">Carbon capture and storage</searchLink><br /><searchLink fieldCode="DE" term="%22District+heating%22">District heating</searchLink><br /><searchLink fieldCode="DE" term="%22Process+integration%22">Process integration</searchLink><br /><searchLink fieldCode="DE" term="%22Techno-economics%22">Techno-economics</searchLink><br /><searchLink fieldCode="DE" term="%22Combined+heat+and+power%22">Combined heat and power</searchLink><br /><searchLink fieldCode="DE" term="%22Optimization%22">Optimization</searchLink><br /><searchLink fieldCode="DE" term="%22Direct+air+capture%22">Direct air capture</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: Combined heat and power (CHP) plants that provide district heating are underutilized due to seasonal variations in heat demand. This work provides an assessment of the techno-economic potential of integrating sorbent-based direct air capture (s-DAC) into CHP plants in district heating systems, so as to expand the business portfolio of the plant and increase its utilization. The proposed integrated system utilizes the existing CHP infrastructure to provide heat at 100 °C, and high-temperature heat pumps to upgrade available waste heat from a post-combustion carbon capture (PCC) unit, so as to drive a s-DAC process. A bottom-up framework methodology is used to quantify the carbon dioxide removal (CDR) potential of the proposed system and identify the optimal design and operation, while considering cost optimization with respect to fuel type, district heating demand, the extent of heat recovery within the plant, heat and electricity prices, and carbon removal prices. The results show that for a 167-MW reference plant with PCC, integration of a s-DAC process that is dimensioned for maximum removal (i.e., not optimizing the economics but instead prioritizing the extent of carbon removal) provides additional carbon removal from the atmosphere of 162.7 ktCO2/y. A net-positive cash flow is attained at CDR credit prices in the range of 279–685 €/tCO2 (reflecting zero heat recovery to full heat recovery). For profit-driven operations, the results indicate that for a CDR credit price of 615 €/tCO2, s-DAC and PCC contribute 11.8 % and 67.1 %, respectively, of the total yearly net cash flow of the plant.
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      – Type: doi
        Value: 10.1016/j.energy.2025.136509
    Languages:
      – Text: English
    Subjects:
      – SubjectFull: Carbon capture and storage
        Type: general
      – SubjectFull: District heating
        Type: general
      – SubjectFull: Process integration
        Type: general
      – SubjectFull: Techno-economics
        Type: general
      – SubjectFull: Combined heat and power
        Type: general
      – SubjectFull: Optimization
        Type: general
      – SubjectFull: Direct air capture
        Type: general
    Titles:
      – TitleFull: Integration of sorbent-based direct air capture into combined heat and power plants with post-combustion carbon capture
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            NameFull: Hoseinpoori, Sina
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            NameFull: Roshan Kumar, Tharun
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            NameFull: Beiron, Johanna
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            NameFull: Pallarès, David
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            – D: 01
              M: 01
              Type: published
              Y: 2025
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              Value: 328
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            – TitleFull: Energy
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