Vapor Liquid Equilibrium Study of Propylene Carbonate-water and its Comparison with Various Thermodynamics Models Using Dwsim Simulation Software and Group Contribution Method

Parth Shah; Sachin Parikh

International Journal of Chemical Engineering and Processing

Vapor Liquid Equilibrium Study of Propylene Carbonate-water and its Comparison with Various Thermodynamics Models Using Dwsim Simulation Software and Group Contribution Method

Abstract

In present study, green solvents that are environment friendly in nature were considered because it will reduce the environment pollution by replacing the petroleum derived solvents. Solvent used in chemical industry were mostly derived from the petroleum crude oils. Solvent emission increases the environment pollution. With the use of green solvents, closed carbon cycle will reduce the environment pollution drastically. Bio-derived solvents are the recent replacement of petroleum solvents that increased the industrial attention to reduce the environment pollution and hazardous effect on the living organism. Industrial application of solvent required laboratory data generation to design industrial equipment. The behavior of the binary liquid mixture and separation of the liquid mixture is studied with the use of the vapor liquid equilibrium (VLE) data. DWSIM simulation software is used to predict the binary VLE data using different thermodynamic models. Activity coefficient was determined based on the group contribution methods such as UNIFAC. The theoretical activity coefficient helped to determine the non- ideality behavior of the mixture. In this study, VLE data were generated using DWSIM simulation software and activity coefficient using UNIFAC method was determined for two different binary system. Chemicals considered for the calculation were green solvents such as Propylene Carbonate and Water. System considered for the data generation was Propylene Carbonate – Water. Activity coefficient and Vapor composition were determined at atmospheric pressure. UNIFAC parameters were found out from the literature and the interaction parameters were calculated. DWSIM simulation software is used for prediction of VLE data using various thermodynamic models.

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How to cite

Parth Shah, Sachin Parikh. Vapor Liquid Equilibrium Study of Propylene Carbonate-water and its Comparison with Various Thermodynamics Models Using Dwsim Simulation Software and Group Contribution Method. International Journal of Chemical Engineering and Processing. 2023;9(2):1–8.

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Vapor Liquid Equilibrium Study of Propylene Carbonate-water and its Comparison with Various Thermodynamics Models Using Dwsim Simulation Software and Group Contribution Method

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