Moving packed beds for cryogenic CO2 capture: analysis of packing material and bed precooling

Cann, David; Font-Palma, Carolina; Willson, Paul

doi:10.1016/j.ccst.2021.100017

Cited by 9 publications

(11 citation statements)

References 8 publications

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“…Figure 2 shows a sketch of the demonstration rig. The demonstration rig was described in [12] and consists of a PTFE pipe with 76 mm internal diameter and 5 mm wall thickness. The capture column was fitted with a copper pipe gas injector 25 mm in diameter which fed a cooling gas of N 2 (blue) and mixed gas of CO 2 and N 2 (orange), and shown in Figure 2.…”

Section: Methodsmentioning

confidence: 99%

“…A sketch of the moving bed concept is provided in Figure 1. Feasibility studies and experimental demonstrations of the moving bed CCC technology have been performed [10][11][12][13]. However, there is a lack of understanding of heat Feasibility studies and experimental demonstrations of the moving bed CCC technology have been performed [10][11][12][13].…”

Section: Cryogenic Carbon Capture Developmentsmentioning

confidence: 99%

“…Feasibility studies and experimental demonstrations of the moving bed CCC technology have been performed [10][11][12][13]. However, there is a lack of understanding of heat Feasibility studies and experimental demonstrations of the moving bed CCC technology have been performed [10][11][12][13]. However, there is a lack of understanding of heat transfer and energy balances in a moving bed, in particular when desublimation of gaseous components are involved as moving bed energy balances do not usually account for phase change.…”

Section: Cryogenic Carbon Capture Developmentsmentioning

confidence: 99%

“…Table 3 shows the results for the cooling gas duty, CO 2 desublimation duty, total bed energy duty and mass flow rate of the bed material. The energy duties and bed flow rates in Table 3 are later compared with experimental results in Table 4 to assess the consistency of the simulated values from Equation (12) with experimental data. The energy balance results in Table 3 were verified using experimental results from [11].…”

Section: Experimental Rig Simulationmentioning

confidence: 99%

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Evaluation of Mathematical Models for CO2 Frost Formation in a Cryogenic Moving Bed

Cann

Font-Palma

2023

Energies

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Moving bed heat exchangers (MBHE)s are used in industrial applications including waste heat recovery and the drying of solids. As a result, energy balance models have been developed to simulate the heat transfer between a moving bed and the gas phase. Within these energy balance models, phase change of components within the gas phase has not been considered as the liquefaction or desublimation of the gas phase does not occur in typical industrial applications. However, available energy balance models for cryogenic CO2 capture (CCC) have only focused on fixed packed beds. The development of a suitable energy balance model to predict the energy duties for MBHEs that include phase change would be beneficial for CCC applications. This work investigated the development of moving bed energy balance models for the design of moving bed columns that involve phase change of CO2 into frost, using existing models for MBHEs and fixed-bed CCC capture. The models were evaluated by comparison with available moving bed experimental work and simulated data, predicted energy duty requirements and bed flow rates from the suggested moving bed CCC models to maintain thermal equilibrium. The comparisons showed a consistent prediction between the various methods and closely align with the available experimental and simulated data. Comparisons of energy duty and bed flow rate predictions from the developed energy balance models with simulated cases for an oil-fired boiler, combined cycle gas turbine (CCGT) and biogas upgrading showed energy duty requirements for the gas phase with a proximity of 0.1%, 20.8%, and 3.4%, respectively, and comparisons of gas energy duties from developed energy balance models with energy duties derived from experimental results were compared with a proximity of 1.1%, 1.1% and 0.6% to experimental results for CO2 % v/v concentrations of 18%, 8% and 4%.

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Section: Methodsmentioning

confidence: 99%

Section: Cryogenic Carbon Capture Developmentsmentioning

confidence: 99%

Section: Cryogenic Carbon Capture Developmentsmentioning

confidence: 99%

Section: Experimental Rig Simulationmentioning

confidence: 99%

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Evaluation of Mathematical Models for CO2 Frost Formation in a Cryogenic Moving Bed

Cann

Font-Palma

2023

Energies

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“…The cryogenic moving bed technology showed significantly lower CO2 capture costs than the conventional aminebased absorption process for small-scale applications. In subsequent works, Cann et al [61,62] conducted experimental works to assess the behaviour of temperature profiles within the moving packed beds. The key findings were: i) the CO2 frost accumulation front can be controlled in the capture bed under appropriate conditions; ii) high-density ceramic packing allowed higher front velocities than steel-based packing; iii) bed pre-cooling and CO2 capture steps can be operated simultaneously.…”

Section: Dynamic Packed Bedmentioning

confidence: 99%

Unveiling the Potential of Cryogenic Post-Combustion Carbon Capture: From Fundamentals to Innovative Processes

Luberti,

Ballini,

Capocelli

2024

Preprint

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: Climate change necessitates urgent actions to mitigate carbon dioxide (CO2) emissions from fossil fuel-based energy generation. Among various strategies, the deployment of carbon capture and storage (CCS) solutions are critical for reducing emissions from point sources such as power plants and heavy industries. In this context, cryogenic carbon capture (CCC) via desublimation has emerged as a promising technology. While CCC offers high separation efficiency, minimal downstream compression work, and integration potential with existing industrial processes, challenges such as low operating temperatures and equipment costs persist. Ongoing research aims to address these hurdles in order to optimize the desublimation processes for widespread implementation. This review consolidates diverse literature works, providing insights into the strengths and limitations of CCC technology, including the latest pilot plant scale demonstrations. The transformative potential of CCC is first assessed on a theoretical basis, such as thermodynamic aspects and mass transfer phenomena. Then, recent advancements in the proposed process configurations are critically assessed and compared through key performance indicators. Furthermore, future research directions for this technology are clearly highlighted.

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Introducing Carbon Capture Science & Technology (CCST)!

2021

Carbon Capture Science & Technology

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Moving packed beds for cryogenic CO2 capture: analysis of packing material and bed precooling

Cited by 9 publications

References 8 publications

Evaluation of Mathematical Models for CO2 Frost Formation in a Cryogenic Moving Bed

Evaluation of Mathematical Models for CO2 Frost Formation in a Cryogenic Moving Bed

Unveiling the Potential of Cryogenic Post-Combustion Carbon Capture: From Fundamentals to Innovative Processes

Introducing Carbon Capture Science & Technology (CCST)!

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