Optimum design of industrial post-combustion CO2 capture processes using phase-change solvents

Kazepidis, Panagiotis; Παπαδόπουλος, Αθανάσιος Ι.; Tzirakis, Fragkiskos; Seferlis, Panos

doi:10.1016/j.cherd.2021.08.036

Cited by 19 publications

(4 citation statements)

References 29 publications

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“…Such solvent exhibits phase splitting at temperatures greater than 40 • C where the absorption of CO 2 takes place and is able to achieve a rich loading of more than 0.7, far surpassing the thermodynamic limitations of MEA. Kazepidis et al [81] used an optimal design framework to design an absorption-desorption process using a mixture of S1N-DMCA. They reported a minimized thermal requirement in the order of 2.1.…”

Section: Phase Change Solventsmentioning

confidence: 99%

Solvents for Membrane-Based Post-Combustion CO2 Capture for Potential Application in the Marine Environment

et al. 2022

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Carbon capture on-board ships represents a powerful technological measure in order for the shipping industry to meet the very stringent GHG emission reduction requirements. Operation within the ship environment introduces a number of constraints associated mainly with space, energy supply, and safety which have to be addressed using compact yet efficient solutions. To this end, solvent-based membrane CO2 capture offers several advantages and has the necessary technological maturity for on-board installation. Solvent choice remains a critical issue both for reasons associated with process efficiency as well as on-board safety. In this paper, we present an up-to-date comprehensive review of the different solvents that can be used for post-combustion CO2 capture. Furthermore, we investigated the solvents’ performance as determined by their inherent characteristics, properties, and behavior for a range of operating conditions against the strict shipping requirements. A preliminary qualitative comparative assessment was carried out based on appropriately selected key performance indicators (KPIs) pertinent to the requirements of the shipping industry. The identified solvent classes were compared using the most critical KPIs for system integration with the ship. It was concluded that at present, no solvent category can efficiently address all the requirements of the ship. However, widely used solvents such as secondary amines showed relatively good compatibility with the majority of the introduced KPIs. On the other hand, more recently developed molecules, such as phase change solvents and ionic liquids, can easily prevail over the vast majority of the identified solvents as long as they are brought to the same level of technological maturity with benchmark solvents. Such a conclusion points toward the need for accelerating research on more tailor-made and performance-targeted solvents.

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Section: Phase Change Solventsmentioning

confidence: 99%

Solvents for Membrane-Based Post-Combustion CO2 Capture for Potential Application in the Marine Environment

et al. 2022

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“…In a previous study, 9 it was indicated that mixtures of cyclohexylamines, such as N ‐methyl‐cyclohexylamine (MCA) and DMCA, can reduce the regeneration energy in the range of 2.0–2.5 GJ/ton CO 2 . Another work 10 further showed that MCA and CHAP/DMCA can result in up to 47% lower operating costs than MEA.…”

Section: Introductionmentioning

confidence: 99%

“…Based on previous works, 7,10 it is deemed interesting to examine further MCA and CHAP aqueous solutions. This is due to their excellent carbon capture capabilities and phase change behavior when blended with DMCA.…”

Section: Introductionmentioning

confidence: 99%

“…Due to its low computational complexity, the model found numerous applications in correlating the CO 2 and H 2 S solubility in aqueous amine systems and several modifications were presented in published literature. 27 Based on previous works, 7,10 it is deemed interesting to examine further MCA and CHAP aqueous solutions. This is due to their excellent carbon capture capabilities and phase change behavior when blended with DMCA.…”

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CO₂ solubility in aqueous N‐methylcyclohexylamine (MCA) and N‐cyclohexyl‐1,3‐propanediamine (CHAP) solutions

et al. 2022

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N‐methylcyclohexylamine (MCA) and N‐cyclohexyl‐1,3‐propanediamine (CHAP) have been suggested, in mixtures with lipophilic amines, as potential phase change solvents for CO2 capture applications, and subsequently studied as promising alternatives to monoethanolamine (MEA) for minimizing the desorber's energy requirements. In this study, new high pressure experimental data were obtained for the solubility of CO2 in aqueous solutions containing MCA or CHAP at 313 and 333 K. The obtained data were used to parameterize the modified Kent–Eisenberg model. In this direction, CHAP was modeled assuming a “principle of independent reactivity,” that is, that the reactivity of each amine group does not depend on the potential reaction of the other one. It was shown that through this approach the model can be successfully applied to diamines using the relevant equations of amine mixtures.

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Dynamic Modeling and Control of CO2 Capture Systems with a Biphasic Solvent

Kazepidis

Παπαδόπουλος

Seferlis

2023

Computer Aided Chemical Engineering

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Optimum design of industrial post-combustion CO2 capture processes using phase-change solvents

Cited by 19 publications

References 29 publications

Solvents for Membrane-Based Post-Combustion CO2 Capture for Potential Application in the Marine Environment

Solvents for Membrane-Based Post-Combustion CO2 Capture for Potential Application in the Marine Environment

CO₂ solubility in aqueous N‐methylcyclohexylamine (MCA) and N‐cyclohexyl‐1,3‐propanediamine (CHAP) solutions

Dynamic Modeling and Control of CO2 Capture Systems with a Biphasic Solvent

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Optimum design of industrial post-combustion CO2 capture processes using phase-change solvents

Cited by 19 publications

References 29 publications

Solvents for Membrane-Based Post-Combustion CO2 Capture for Potential Application in the Marine Environment

Solvents for Membrane-Based Post-Combustion CO2 Capture for Potential Application in the Marine Environment

CO2 solubility in aqueous N‐methylcyclohexylamine (MCA) and N‐cyclohexyl‐1,3‐propanediamine (CHAP) solutions

Dynamic Modeling and Control of CO2 Capture Systems with a Biphasic Solvent

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Product

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CO₂ solubility in aqueous N‐methylcyclohexylamine (MCA) and N‐cyclohexyl‐1,3‐propanediamine (CHAP) solutions