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July 29, 2026Greenhouse Gases Science and Technology

Efficient Carbon Dioxide Capture Using a Novel Biphasic DETA–DMCA Solvent System: CO 2 Absorption and Phase Separation Performance

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Authors

TKTejas D. KanadeInstitute of Chemical TechnologyPMPavankumar M. MistryInstitute of Chemical TechnologyPVPrakash D. VaidyaInstitute of Chemical Technology

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Overview

Randomized trial assesses CO2 capture efficiency with a new solvent in industrial applications, highlighting its advantages.

Key Points

  • This work aims to develop and evaluate a biphasic solvent system for efficient CO2 capture and reduced energy demand.
  • Proposed a novel biphasic solvent system with diethylenetriamine (DETA) and dimethylcyclohexylamine (DMCA).
  • Evaluated CO2 absorption and phase separation performance, optimizing DMCA:DETA ratio to 3:2.
  • Conducted kinetic studies and FTIR analysis to assess absorption rates and solvent stability.
  • Achieved CO2 loading capacity of ∼1.1 mol CO2/mol amine with a 70% CO2-rich phase.
  • Reduced energy demand to 2.76 GJ/t CO2, approximately 40% lower than 5 M MEA (4.34 GJ/t CO2).
  • Confirmed rapid absorption rates and reversible carbamate formation, showing solvent stability across multiple cycles.

Cite This Study

Kanade et al. (2026) studied this question.

synapsesocial.com/papers/6a69a2c7c8da07d9defa6a1dhttps://doi.org/10.1002/ghg.70036
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