LAPSE:2023.24042
Published Article
LAPSE:2023.24042
Efficient Production of Clean Power and Hydrogen Through Synergistic Integration of Chemical Looping Combustion and Reforming
Mohammed N. Khan, Schalk Cloete, Shahriar Amini
March 27, 2023
Chemical looping combustion (CLC) technology generates power while capturing CO2 inherently with no direct energy penalty. However, previous studies have shown significant energy penalties due to low turbine inlet temperature (TIT) relative to a standard natural gas combined cycle plant. The low TIT is limited by the oxygen carrier material used in the CLC process. Therefore, in the current study, an additional combustor is included downstream of the CLC air reactor to raise the TIT. The efficient production of clean hydrogen for firing the added combustor is key to the success of this strategy. Therefore, the highly efficient membrane-assisted chemical looping reforming (MA-CLR) technology was selected. Five different integrations between CLC and MA-CLR were investigated, capitalizing on the steam in the CLC fuel reactor outlet stream to achieve highly efficient reforming in MA-CLR. This integration reduced the energy penalty as low as 3.6%-points for power production only (case 2) and 1.9%-points for power and hydrogen co-production (case 4)—a large improvement over the 8%-point energy penalty typically imposed by post-combustion CO2 capture or CLC without added firing.
Keywords
Carbon Dioxide Capture, chemical looping combustion, energy penalty, Hydrogen, natural gas combined cycle, power plant
Suggested Citation
Khan MN, Cloete S, Amini S. Efficient Production of Clean Power and Hydrogen Through Synergistic Integration of Chemical Looping Combustion and Reforming. (2023). LAPSE:2023.24042
Author Affiliations
Khan MN: Department of Energy and Process Engineering, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway; Separation and Conversion Technology Unit, Flemish Institute for Technological Research (VITO), 2400 Mol, Belgium [ORCID]
Cloete S: Process Technology Department, SINTEF Industry, NO-7465 Trondheim, Norway
Amini S: Department of Energy and Process Engineering, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway; Process Technology Department, SINTEF Industry, NO-7465 Trondheim, Norway
Journal Name
Energies
Volume
13
Issue
13
Article Number
E3443
Year
2020
Publication Date
2020-07-03
Published Version
ISSN
1996-1073
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Original Submission
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PII: en13133443, Publication Type: Journal Article
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LAPSE:2023.24042
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doi:10.3390/en13133443
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Mar 27, 2023
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