What question did this study set out to answer?

To evaluate the initial CO2 absorption efficiency, mass transfer kinetics, and thermodynamic properties of a novel aqueous AMP–DA2MP–MEA tri-solvent amine blend for post-combustion carbon capture.

August 19, 2026EnergiesOpen Access

Enhanced Initial CO2 Capture Performance of a Novel AMP–DA2MP–MEA Tri-Solvent Amine Blend for Post-Combustion Carbon Capture

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Authors

CNChikezie Nwaoha XZXiujie Zhang YHYufei Huang

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Overview

Experimental study demonstrates enhanced CO2 absorption and reduced absorber height using a novel tri-solvent amine blend, indicating strong potential for post-combustion carbon capture.

Key Points

To evaluate the initial CO2 absorption efficiency, mass transfer kinetics, and thermodynamic properties of a novel aqueous AMP–DA2MP–MEA tri-solvent amine blend for post-combustion carbon capture.
Tested aqueous AMP–DA2MP–MEA tri-solvent blends in a bench-scale absorption column process plant at a total amine concentration of 6 mol·L−1.
Maintained AMP concentration at 2 mol·L−1 while varying DA2MP from 1 to 2 mol·L−1 and MEA from 2 to 3 mol·L−1, comparing performance against benchmark MEA and other amine blends.
The AMP–DA2MP–MEA blend reduced the required absorber column height for 90% initial CO2 absorption efficiency by 18% to 58% overall, and by 41% to 58% relative to benchmark MEA.
Initial mass transfer coefficients increased by 65.9% to 118.9% over benchmark MEA, 6.6% to 40.6% over AMP–DA2MP, and 44.8% to 91.0% over AMP–PZ–MEA.
The tri-solvent blend exhibited lower density, higher viscosity, up to 9.8% higher heat of vaporization, and up to 28.8% higher absorption heat compared to baseline amine systems.

Cite This Study

Nwaoha et al. (2026) studied this question.

synapsesocial.com/papers/6a85642503308d306e2d7b78 https://doi.org/10.3390/en19163861

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August 19, 2026EnergiesOpen Access

Enhanced Initial CO2 Capture Performance of a Novel AMP–DA2MP–MEA Tri-Solvent Amine Blend for Post-Combustion Carbon Capture

View Full Paper

Ask AI

Bookmark

Authors

CNChikezie Nwaoha XZXiujie Zhang YHYufei Huang

Discussion

Member takes

Overview

Experimental study demonstrates enhanced CO2 absorption and reduced absorber height using a novel tri-solvent amine blend, indicating strong potential for post-combustion carbon capture.

Key Points

To evaluate the initial CO2 absorption efficiency, mass transfer kinetics, and thermodynamic properties of a novel aqueous AMP–DA2MP–MEA tri-solvent amine blend for post-combustion carbon capture.
Tested aqueous AMP–DA2MP–MEA tri-solvent blends in a bench-scale absorption column process plant at a total amine concentration of 6 mol·L−1.
Maintained AMP concentration at 2 mol·L−1 while varying DA2MP from 1 to 2 mol·L−1 and MEA from 2 to 3 mol·L−1, comparing performance against benchmark MEA and other amine blends.
The AMP–DA2MP–MEA blend reduced the required absorber column height for 90% initial CO2 absorption efficiency by 18% to 58% overall, and by 41% to 58% relative to benchmark MEA.
Initial mass transfer coefficients increased by 65.9% to 118.9% over benchmark MEA, 6.6% to 40.6% over AMP–DA2MP, and 44.8% to 91.0% over AMP–PZ–MEA.
The tri-solvent blend exhibited lower density, higher viscosity, up to 9.8% higher heat of vaporization, and up to 28.8% higher absorption heat compared to baseline amine systems.

Cite This Study

Nwaoha et al. (2026) studied this question.

synapsesocial.com/papers/6a85642503308d306e2d7b78 https://doi.org/10.3390/en19163861

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