Modeling the Solubilities of Refrigerant Gases in Water by Using CPA Equation of State

سال انتشار: 1394
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,008

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شناسه ملی سند علمی:

PROCESS05_018

تاریخ نمایه سازی: 8 آذر 1394

چکیده مقاله:

The aim of this work is to model the solubilities of refrigerant gases containing Ethane, Propane, i-Butane, Carbon Dioxide, sulfur dioxide, Propylene HCFCs and HFCs (chlorodifluoromethane, trifluoromethane, difluoromethane, 1,1,1,2,2-pentafluoroethane, 1,1,1,2-tetrafluoroethane and 1,1- difluoroethane) in water. The combination of cubic-plus-association equation of state (CPA EOS), the van der Waals mixing rule and the temperature dependant binary interaction parameter is utilized for the phase equilibrium calculations of the (water+ refrigerant gas) systems. Furthermore, the Peng-Robinson EOS is applied for the physical term of CPA EOS. Firstly, the pure component parameters of CPA EOS for water are obtained according to the pure water vapor pressures and densities. The solubilities reproduced by applying the CPA EOS are in a very good agreement with experimental data (overall AAD~2.31).

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نویسندگان

Amin Ahmadpour

National Petrochemical company,Petrochemical Research and Technology company,Mahshahr Center,Mahshahr,

Shahin Khosharay

National Petrochemical company,Petrochemical Research and Technology company,Mahshahr Center,Mahshahr,

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