Direct air capture of CO2 by amine-impregnated resin: The effect of resin pore structure and humid conditions

Hua, Jiali; Shen, Xuehua; Jiao, Xianfeng; Lin, Han; Li, Guanghuan; Sun, Xin; Yan, Feng; Wu, Hao; Zhang, Zuotai

doi:10.1016/j.ccst.2024.100237

Carbon Capture Science & Technology

2024

DOI: 10.1016/j.ccst.2024.100237

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Direct air capture of CO2 by amine-impregnated resin: The effect of resin pore structure and humid conditions

Jiali Hua,

Xuehua Shen,

Xianfeng Jiao

et al.

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Cited by 3 publications

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Preparation of Highly Aminated Polystyrene Resin Beads for CO₂ Adsorption

Meng,

Niu,

Liu

et al. 2024

J of Applied Polymer Sci

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A methodology of using chloroacetylated polystyrene resin (PS‐COCH2‐Cl) to initiate the ring‐opening polymerization of oxazolines was established to prepare highly amininated polystyrene (PS) resin beads for CO2 adsorption. The structure of the resulting material was fully characterized by FTIR, BET, TGA, and XPS, and the results suggested that the chloroacetyl group was more reactive in initiating the ring‐opening polymerization of oxazolines than the known chloromethyl groups, which eliminated the use of iodide salts that are costly. The resulting material could adsorb CO2 at an equilibrium adsorption capacity of 3.15 mmol/g at 25°C and 1 atm, and the adsorption isotherms conformed to the Freundlich isothermal model, indicating a multi‐layer adsorption type. Kinetic study suggested that the adsorption was predominantly governed by chemical interactions with physical adsorption playing a supportive role. For a simulated flue gas of 15% CO2/N2, 50°C, relative humidity of 80%, SO2 concentration of 50 ppm, the adsorption performance of PS‐COCH2‐LPEI was even improved and the capacity can be well retained for at least 20 adsorption–desorption cycles, demonstrating a promising application prospect of this solid polyamine material in removing CO2 from flue gas.

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Preparation of Highly Aminated Polystyrene Resin Beads for CO₂ Adsorption

Meng,

Niu,

Liu

et al. 2024

J of Applied Polymer Sci

View full text Add to dashboard Cite

show abstract

CO2 capture performance of amine-functionalized amorphous SiO2-Al2O3 adsorbent: Insights into the support acidity

Yan,

Chen,

Zhu

et al. 2025

Separation and Purification Technology

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CO2 Capture Using Resin-Based Solid Amines: Characteristic, Application, Regeneration and Deactivation Mechanism

Hu,

Lin,

Chen

et al. 2025

Separation and Purification Technology

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Direct air capture of CO2 by amine-impregnated resin: The effect of resin pore structure and humid conditions

Cited by 3 publications

References 63 publications

Preparation of Highly Aminated Polystyrene Resin Beads for CO₂ Adsorption

Preparation of Highly Aminated Polystyrene Resin Beads for CO₂ Adsorption

CO2 capture performance of amine-functionalized amorphous SiO2-Al2O3 adsorbent: Insights into the support acidity

CO2 Capture Using Resin-Based Solid Amines: Characteristic, Application, Regeneration and Deactivation Mechanism

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Direct air capture of CO2 by amine-impregnated resin: The effect of resin pore structure and humid conditions

Cited by 3 publications

References 63 publications

Preparation of Highly Aminated Polystyrene Resin Beads for CO2 Adsorption

Preparation of Highly Aminated Polystyrene Resin Beads for CO2 Adsorption

CO2 capture performance of amine-functionalized amorphous SiO2-Al2O3 adsorbent: Insights into the support acidity

CO2 Capture Using Resin-Based Solid Amines: Characteristic, Application, Regeneration and Deactivation Mechanism

Contact Info

Product

Resources

About

Preparation of Highly Aminated Polystyrene Resin Beads for CO₂ Adsorption

Preparation of Highly Aminated Polystyrene Resin Beads for CO₂ Adsorption