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August 19, 2025Greenhouse Gases Science and Technology

Study on the Novel Blend of AHPD/HMDA/Triethylene Glycol for CO2 Absorption: Kinetics, CO2 Solubility, and Catalytic Desorption

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Authors

NUNamrata UpretiPVPrakash D. Vaidya

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Overview

Analysis demonstrates improved CO2 absorption rates and solubility in a new blend, suggesting potential for enhanced catalytic desorption.

Key Points

  • The new blend shows a second-order rate constant of 62,984 m3/(kmol s) for CO2 absorption at 308 K, indicating high reactivity.
  • The loading capacity of the AHPD/HMDA/TEG blend was found to be 0.86 mol/mol with an equilibrium CO2 partial pressure of 89.2 kPa.
  • Cyclic capacity improved from 0.31 mol/mol to 0.46 mol/mol when using γ‐Al2O3 catalyst, indicating enhanced performance during desorption.
  • This research provides insights into the kinetics and efficiency of CO2 capture using new solvent blends.

Cite This Study

Upreti et al. (2025) studied this question.

synapsesocial.com/papers/68af494dad7bf08b1ead4ea6https://doi.org/10.1002/ghg.2369
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