Article | Proceedings of The 60th SIMS Conference on Simulation and Modelling SIMS 2019, August 12-16, Västerås, Sweden | Applicability of NRTL Model for Prediction of the Viscosity of Alkanolamine + Water Mixtures Linköping University Electronic Press Conference Proceedings
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Title:
Applicability of NRTL Model for Prediction of the Viscosity of Alkanolamine + Water Mixtures
Author:
Sumudu S. Karunarathne: Faculty of Technology, Natural Sciences and Maritime Sciences, University of South-Eastern Norway, Norway Lars E. Øi: Faculty of Technology, Natural Sciences and Maritime Sciences, University of South-Eastern Norway, Norway
DOI:
https://doi.org/10.3384/ecp2017073
Download:
Full text (pdf)
Year:
2019
Conference:
Proceedings of The 60th SIMS Conference on Simulation and Modelling SIMS 2019, August 12-16, Västerås, Sweden
Issue:
170
Article no.:
011
Pages:
73-77
No. of pages:
5
Publication type:
Abstract and Fulltext
Published:
2020-01-24
ISBN:
978-91-7929-897-5
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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This study discusses the applicability of the non-random two-liquid (NRTL) model to represent viscosity for MEA (monoethanol amine) + H2O and AMP (2-amino-2-methyl-1-propanol) + MEA (monoethanol amine) + H2O mixtures under different amine concentrations at temperature ranges of 293.15 K– 363.15 K and 293.15 K – 343.15 K respectively. The NRTL model is adopted to determine excess Gibbs free energy of mixing and the Eyring’s viscosity model based on absolute rate theory is used to obtain excess free energy of activation for viscous flow. The correlations are proposed for the viscous flow as a function of concentration of the components, temperature and Gibbs free energy. Correlations are capable of representing measured viscosities at 1.3% and 0.3% of absolute average relative deviation (AARD %) for MEA + H2O and AMP + MEA + H2O mixtures respectively. These deviations are acceptable for engineering calculations and correlations can be used in process design and simulations like Aspen HYSYS and ASPEN Plus.

Keywords: NRTL model, Eyring’s viscosity model, MEA, AMP

Proceedings of The 60th SIMS Conference on Simulation and Modelling SIMS 2019, August 12-16, Västerås, Sweden

Author:
Sumudu S. Karunarathne, Lars E. Øi
Title:
Applicability of NRTL Model for Prediction of the Viscosity of Alkanolamine + Water Mixtures
DOI:
10.3384/ecp2017073
References:

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Proceedings of The 60th SIMS Conference on Simulation and Modelling SIMS 2019, August 12-16, Västerås, Sweden

Author:
Sumudu S. Karunarathne, Lars E. Øi
Title:
Applicability of NRTL Model for Prediction of the Viscosity of Alkanolamine + Water Mixtures
DOI:
https://doi.org10.3384/ecp2017073
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