On the Development of a Modified Nonelectrolyte NRTL-NRF Model for Strong and Weak Electrolyte Solutions

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Mazloumi Seyed Hossein; Shojaeian Abolfazl; Haghtalab Ali

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Journal Paper

Paper Information

Journal: Iranian Journal of Chemistry and Chemical Engineering Year:2021 | Volume:40 | Issue:1 Page(s): 241-259

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Information Journal Paper

Title

On the Development of a Modified Nonelectrolyte NRTL-NRF Model for Strong and Weak Electrolyte Solutions

Author(s)

Mazloumi Seyed Hossein | Shojaeian Abolfazl | Haghtalab Ali | Issue Writer Certificate

Keywords

Modified N-NRTL-NRF

Electrolyte

Activity

Osmotic

Aqueous MDEA

Abstract

The non-Electrolyte NRTL-NRF model has been modified to study Electrolyte solutions. The modified model for Electrolytes is composed of short-range parts expressed by the modified nonElectrolyte NRTL-NRF and the Pitzer-Debye-Hü ckel equation to represent the long-range interactions of ions in the solution. In this work, a salt-specific parameter is used. Various types of experimental data including binary and ternary Activity and Osmotic coefficients, solid and gas solubilities in aqueous NaCl, and also aqueous Methyldiethanolamine (MDEA) data at wide temperature and pressure ranges have been implemented to check the performance of the present model. The overall relative standard deviation of 0. 046 has been achieved for 130 strong aqueous binary Electrolytes by the new model in fitting the experimental data of Activity coefficients. The percent of absolute average deviations of the modified model for CO2+ MDEA+ H2O and H2S+ MDEA+ H2O are 30. 3% and 24. 8%, respectively. The results show the good capabilities of the model for Electrolyte solutions.

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APA: Copy

Mazloumi, Seyed Hossein, Shojaeian, Abolfazl, & Haghtalab, Ali. (2021). On the Development of a Modified Nonelectrolyte NRTL-NRF Model for Strong and Weak Electrolyte Solutions. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 40(1), 241-259. SID. https://sid.ir/paper/785247/en

Vancouver: Copy

Mazloumi Seyed Hossein, Shojaeian Abolfazl, Haghtalab Ali. On the Development of a Modified Nonelectrolyte NRTL-NRF Model for Strong and Weak Electrolyte Solutions. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2021;40(1):241-259. Available from: https://sid.ir/paper/785247/en

IEEE: Copy

Seyed Hossein Mazloumi, Abolfazl Shojaeian, and Ali Haghtalab, “On the Development of a Modified Nonelectrolyte NRTL-NRF Model for Strong and Weak Electrolyte Solutions,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 40, no. 1, pp. 241–259, 2021, [Online]. Available: https://sid.ir/paper/785247/en

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