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refrigerants

Measuring Thermodynamic Properties of Ionic Liquids for the Separation of Azeotropic Refrigerant Mixtures

Refrigerants, essential to heating and cooling systems, are estimated to be used in large quantities daily (approximately 850 million kilograms). While advancements on past generations of refrigerants have reduced toxicity and flammability, current hydrofluorocarbon (HFC) refrigerants are being phased out due to their high global warming potential (GWP). Recycling and repurposing HFCs is challenging, as many are azeotropic mixtures that cannot be separated using conventional distillation.