Ethylene absorption in N-methyl-2-pyrrolidone/silver nano-solvent: Thermodynamics and kinetics study

doi:10.1016/j.cjche.2020.08.017

中国化学工程学报 ›› 2021, Vol. 36 ›› Issue (8): 57-66.DOI: 10.1016/j.cjche.2020.08.017

• Separation Science and Engineering • 上一篇下一篇

Ethylene absorption in N-methyl-2-pyrrolidone/silver nano-solvent: Thermodynamics and kinetics study

Mohammad Yousefi, Shima Azizi, S. M. Peyghambarzadeh, Zoha Azizi

Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran

收稿日期:2020-05-02 修回日期:2020-07-10 出版日期:2021-08-28 发布日期:2021-09-30
通讯作者: Shima Azizi, S. M. Peyghambarzadeh

Ethylene absorption in N-methyl-2-pyrrolidone/silver nano-solvent: Thermodynamics and kinetics study

Mohammad Yousefi, Shima Azizi, S. M. Peyghambarzadeh, Zoha Azizi

Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran

Received:2020-05-02 Revised:2020-07-10 Online:2021-08-28 Published:2021-09-30
Contact: Shima Azizi, S. M. Peyghambarzadeh

摘要/Abstract

摘要： The effect of presence of silver nanoparticles in pure N-methyl-2-pyrrolidone (NMP) solvent for ethylene gas absorption in an experimental pressure decaying setup has been investigated. All experiments were performed at temperatures of 278.15 K, 298.15 K and 328.15 K and different pressures (up to ethylene dew point) as well as different concentrations of silver nanoparticles (0.05 g·L^-1 and 0.1 g·L^-1). The kinetic data of absorption, Henry's law constants, and heat of absorption were calculated. Comparison of the pure solvent and the nanofluids absorption results revealed that the presence of small amounts of nanoparticles could improve the absorption performance between 1.5%-18%. Finally, the effect of temperature, pressure, and nanoparticle concentration on the equilibrium results were investigated.

关键词: Absorption, Ethylene, N-methyl-2-pyrrolidone (NMP), Nanoparticles, Solubility

Abstract: The effect of presence of silver nanoparticles in pure N-methyl-2-pyrrolidone (NMP) solvent for ethylene gas absorption in an experimental pressure decaying setup has been investigated. All experiments were performed at temperatures of 278.15 K, 298.15 K and 328.15 K and different pressures (up to ethylene dew point) as well as different concentrations of silver nanoparticles (0.05 g·L^-1 and 0.1 g·L^-1). The kinetic data of absorption, Henry's law constants, and heat of absorption were calculated. Comparison of the pure solvent and the nanofluids absorption results revealed that the presence of small amounts of nanoparticles could improve the absorption performance between 1.5%-18%. Finally, the effect of temperature, pressure, and nanoparticle concentration on the equilibrium results were investigated.

Key words: Absorption, Ethylene, N-methyl-2-pyrrolidone (NMP), Nanoparticles, Solubility

Mohammad Yousefi, Shima Azizi, S. M. Peyghambarzadeh, Zoha Azizi. Ethylene absorption in N-methyl-2-pyrrolidone/silver nano-solvent: Thermodynamics and kinetics study[J]. 中国化学工程学报, 2021, 36(8): 57-66.

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Ethylene absorption in N-methyl-2-pyrrolidone/silver nano-solvent: Thermodynamics and kinetics study

Ethylene absorption in N-methyl-2-pyrrolidone/silver nano-solvent: Thermodynamics and kinetics study

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