Modeling of density and electrical conductivity of aqueous carbonated trimethylamine (TMA–CO2–H2O) solutions at 20 °C

Draw solutions of carbonated trimethylamine (TMA–CO 2 –H 2 O) have been proven very effective in water recovery via forward osmosis. An experimentally verifiable model, able to accurately predict the properties of TMA–CO 2 –H 2 O solutions, is crucial in process design and process control of an inte...

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Bibliographic Details
Published in:Monatshefte für Chemie 2018, Vol.149 (2), p.453-460
Main Authors: Kolliopoulos, Georgios, Holland, Amy M., Papangelakis, Vladimiros G.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Carbon dioxide
Carbonation
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Conductivity
Density
Electrical resistivity
Inorganic Chemistry
Mathematical models
Organic Chemistry
Original Paper
Osmosis
Physical Chemistry
Theoretical and Computational Chemistry
Trimethylamine
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Summary:Draw solutions of carbonated trimethylamine (TMA–CO 2 –H 2 O) have been proven very effective in water recovery via forward osmosis. An experimentally verifiable model, able to accurately predict the properties of TMA–CO 2 –H 2 O solutions, is crucial in process design and process control of an integrated forward osmosis process. A model designed based on experimental data generated at 20 °C for density and electrical conductivity in solutions of TMA–CO 2 –H 2 O at 20 °C is presented in this work. The average absolute error reported is 0.59% for density and 7.44% for electrical conductivity. Graphical abstract
ISSN:0026-9247
1434-4475
DOI:10.1007/s00706-017-2091-9