Joan F. Brennecke
University of Texas at Austin
321 Papers
2.9K Citations
Joan F. Brennecke is an academic researcher from University of Texas at Austin. The author has contributed to research in topics: Ionic liquid & Racism. The author has an hindex of 64, co-authored 291 publications. Previous affiliations of Joan F. Brennecke include University of Notre Dame & Toyota.
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Papers
CO2/N2 Selectivity in [emim][BF4] + [emim][TFSI] and [emim][DCA] + [emim][TFSI] Ionic Liquid Mixtures
Caitlin L. Bentley,Mariam Y. Balogun,Oscar Morales-Collazo,Joan F. Brennecke +3 more
- 09 May 2024
TL;DR: This study investigates CO2 and N2 solubility in mixtures of ionic liquids, finding that both gases dissolve by physical dissolution and exhibit lower Henry's Law constants than pure ILs, but with selectivity between pure IL values.
Effect of Structure on Transport Properties (Viscosity, Ionic Conductivity, and Self-Diffusion Coefficient) of Aprotic Heterocyclic Anion (AHA) Room Temperature Ionic Liquids. 2. Variation of Alkyl Chain Length in the Phosphonium Cation
TL;DR: The molar conductivity ratio decreases with increasing number of carbon atoms in theAlkyl chain, indicating that the reduced Coulombic interactions resulting from lower density are more than balanced by the increased van der Waals interactions between the alkyl chains.
Encapsulation of Ionic Liquids with an Aprotic Heterocyclic Anion (AHA-IL) for CO2 Capture: Preserving the Favorable Thermodynamics and Enhancing the Kinetics of Absorption
Cristian Moya,Noelia Alonso-Morales,Juan de Riva,Oscar Morales-Collazo,Joan F. Brennecke,Jose Palomar +5 more
TL;DR: The results demonstrate that the CO2 absorption rate is mass-transfer-controlled because of the relatively high viscosity of AHA-IL, and a newly synthesized Aha-ENIL material was evaluated as a CO2 sorbent with gravimetric absorption measurements.
CO2 as a separation switch for ionic liquid/organic mixtures
TL;DR: A novel technique to separate ionic liquids from organic compounds is introduced which uses carbon dioxide to induce the formation of an ionic liquid-rich phase and an organic-rich liquid phase in mixtures of methanol and 3-butyl-1-methyl-imidazolium hexafluorophosphate.
Characterization of the Ability of CO2 To Act as an Antisolvent for Ionic Liquid/Organic Mixtures†
TL;DR: The ability of CO2 to act as an antisolvent depends on the solubility of the CO2 in the ionic liquid/organic mixture, which makes it more difficult forCO2 to induce a liquid/liquid-phase separation.