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Energy-optimised cryogenic CO2 capture for cement production decarbonisation: process design and techno-economic analysis
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DOI：10.1016/j.ccst.2025.100563.png)
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Abstract
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• Cryogenic CO2 capture in cement plant assessed at 90% and 95% capture rates. • Optimised refrigeration loop conditions to minimise process energy demand. • Refrigerant compression accounts for 75% of overall energy demand and 50% of CAPEX. • Nearly constant energy penalty (1.19-1.21 MJel/kgCO2) between 90% and 95% capture. • CO2 avoided cost estimated at 127-128 ∈/tCO2 for both cases under an EU energy mix.
Keywords:
cement production
decarbonisation
cryogenic carbon capture
optimisation
techno-economic assessment
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