Ionic liquids for the separation of fluorocarbon refrigerant mixtures

KR Baca, K Al-Barghouti, N Wang, MG Bennett… - Chemical …, 2024 - ACS Publications
This review discusses the research being performed on ionic liquids for the separation of
fluorocarbon refrigerant mixtures. Fluorocarbon refrigerants, invented in 1928 by Thomas …

[HTML][HTML] Absorption separation of fluorinated refrigerant gases with ionic liquids: Equilibrium, mass transport, and process design

S Asensio-Delgado, F Pardo, G Zarca… - Separation and …, 2021 - Elsevier
Interest in recovering and reclaiming refrigerant gases is growing as a consequence of
increasing concern about the high global warming potential of some hydrofluorocarbons …

Multicomponent refrigerant separation using extractive distillation with ionic liquids

EA Finberg, TL May, MB Shiflett - Industrial & Engineering …, 2022 - ACS Publications
Hydrofluorocarbon refrigerants are being phased out over the next two decades due to
concerns about high global warming potential. In order to separate refrigerant mixtures that …

Separation process synthesis for high-GWP refrigerant mixtures: Extractive distillation using ionic liquids

MS Monjur, A Iftakher, MMF Hasan - Industrial & Engineering …, 2022 - ACS Publications
Due to high global warming potential (GWP) of hydrofluorocarbons (HFCs), the separation
and recovery of HFCs from different refrigerant mixtures is an important issue. Most HFC …

[HTML][HTML] Machine learning for predicting the solubility of high-GWP fluorinated refrigerants in ionic liquids

S Asensio-Delgado, F Pardo, G Zarca… - Journal of Molecular …, 2022 - Elsevier
The development of technology to reduce the environmental impact of fluorinated refrigerant
gases (F-gases) is currently of outmost importance. The capture of F-gases in ionic liquids …

[HTML][HTML] Effect of feed pressure and long-term separation performance of Pebax-ionic liquid membranes for the recovery of difluoromethane (R32) from refrigerant …

F Pardo, G Zarca, A Urtiaga - Journal of Membrane Science, 2021 - Elsevier
The R410A refrigerant blend (GWP= 2088), a near azeotropic and equimass mixture of
difluoromethane (R32, GWP= 675) and pentafluoroethane (R125, GWP= 3500), has been …

[HTML][HTML] In the quest for ionic liquid entrainers for the recovery of R-32 and R-125 by extractive distillation under rate-based considerations

M Viar, S Asensio-Delgado, F Pardo, G Zarca… - Separation and …, 2023 - Elsevier
In line with the reduction targets imposed on the production of high global warming potential
(GWP) hydrofluorocarbons by the Kigali Amendment to the Montreal Protocol, the recovery …

[HTML][HTML] Polymer/ionic liquid pilot scale membrane prototype for the recovery of difluoromethane (R-32) from refrigerant mixtures

F Pardo, SV Gutiérrez-Hernández… - Separation and …, 2023 - Elsevier
Abstract Difluoromethane (R-32) is a hydrofluorocarbon (HFC) that has been massively
used over the last 30 years in refrigeration and air conditioning as a primary component of …

Understanding the molecular features controlling the solubility differences of R-134a, R-1234ze (E), and R-1234yf in 1-alkyl-3-methylimidazolium tricyanomethanide …

S Asensio-Delgado, M Viar, AAH Pádua… - ACS Sustainable …, 2022 - ACS Publications
This work reports a study of the absorption of fluorinated refrigerant gases in ionic liquids
(ILs) from a combined experimental and computational approach to gain insights into the …

Phase Equilibria and Diffusivities of HFC-32 and HFC-125 in Ionic Liquids for the Separation of R-410A

KR Baca, GM Olsen… - ACS Sustainable …, 2021 - ACS Publications
Current legislation calling for the phase out of hydrofluorocarbon (HFC) refrigerants is
driving a global market shift that has prompted industry and research institutions to …