Phase equilibria of 1,1,1-trifluoroethane (HFC-143a) + 1,1,1,2-tetrafluoroethane (HFC-134a), and + 1,1-difluoroethane (HFC-152a) at 273.15, 293.15, 303.15, and 313.15 K |
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| Affiliation: | 1. Centre for Process Systems Engineering (CPSE), Department of Chemical Engineering, Imperial College London, South Kensington, London SW7 2AZ, UK;2. Department of Chemical Engineering, Imperial College London, South Kensington, London SW7 2AZ, UK;3. Mass Spectrometry Facility, Kings College London, Franklin Wilkins Building, London SE1 9NH, UK;1. A.E Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center of the Russian Academy of Sciences, 8 Acad. Arbuzov str., Kazan 420088, Russian Federation;2. Kazan National Research Technological University, 68 Karl Marx str, Kazan 420088, Russian Federation;3. Kazan (Volga region) Federal University, 18 Kremlyovskaya str., Kazan 420088, Russian Federation;1. Institute of Nuclear Agricultural Sciences, College of Agriculture and Biotechnology, Zhejiang University, Huajiachi Campus, Hangzhou 310029, China;2. Jinhua Academy of Agricultural Sciences, Jinhua, Zhejiang 321000, China;3. Department of Potato, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China;1. Università degli Studi di Milano, Dipartimento di Chimica, via Golgi 19, 20133 Milano, Italy;2. SajTom Light Future, Wężerów 37/1, 32-090 Wężerów, Poland;3. CNR – Istituto di Scienze e Tecnologie Molecolari, Via C. Golgi 19, Milano 20133, Italy;4. INSTM, Consorzio Interuniversitario per la Scienza e Tecnologia dei Materiali, Via San Giusti 9, Firenze, Italy |
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| Abstract: | Isothermal vapor–liquid equilibrium data were determined for the binary systems of 1,1,1-trifluoroethane (HFC-143a)+1,1,1,2-tetrafluoroethane (HFC-134a) and 1,1,1-trifluoroethane (HFC-143a)+1,1-difluoroethane (HFC-152a) at 273.15, 293.15, 303.15, and 313.15 K in a circulation-type equilibrium apparatus. The experimental data were well correlated with the Carnahan–Starling–De Santis (CSD) equation of state within ±1.0%. Azeotropic behavior has not been found in any of these mixtures. |
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