Articles | Volume 22, issue 5
https://doi.org/10.5194/acp-22-3203-2022
https://doi.org/10.5194/acp-22-3203-2022
Research article
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10 Mar 2022
Research article | Highlight paper |  | 10 Mar 2022

A predictive viscosity model for aqueous electrolytes and mixed organic–inorganic aerosol phases

Joseph Lilek and Andreas Zuend

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Cited articles

Abdulagatov, I. M., Zeinalova, A. A., and Azizov, N. D.: Viscosity of the Aqueous Ca(NO3)2 Solutions at Temperatures from 298 to 573 K and at Pressures up to 40 MPa, J. Chem. Eng. Data, 49, 1444–1450, https://doi.org/10.1021/je049853n, 2004. a
Abrams, D. S. and Prausnitz, J. M.: Statistical thermodynamics of liquid mixtures: A new expression for the excess Gibbs energy of partly or completely miscible systems, AIChE J., 21, 116–128, https://doi.org/10.1002/aic.690210115, 1975. a
Ahn, K.-H., Kim, S.-M., Jung, H.-J., Lee, M.-J., Eom, H.-J., Maskey, S., and Ro, C.-U.: Combined Use of Optical and Electron Microscopic Techniques for the Measurement of Hygroscopic Property, Chemical Composition, and Morphology of Individual Aerosol Particles, Anal. Chem., 82, 7999–8009, https://doi.org/10.1021/ac101432y, 2010. a
Bajić, D. M., Šerbanović, S. P., Živković, E. M., Jovanović, J., and Kijevčanin, M. L.: Prediction and correlation of viscosity of binary mixtures of ionic liquids with organic solvents, J. Mol. Liq., 197, 1–6, https://doi.org/10.1016/j.molliq.2014.04.005, 2014. a
Baldelli, A., Power, R. M., Miles, R. E. H., Reid, J. P., and Vehring, R.: Effect of crystallization kinetics on the properties of spray dried microparticles, Aerosol Sci. Tech., 50, 693–704, https://doi.org/10.1080/02786826.2016.1177163, 2016. a, b, c, d
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Depending on temperature and chemical makeup, certain aerosols can be highly viscous or glassy, with atmospheric implications. We have therefore implemented two major upgrades to the predictive viscosity model AIOMFAC-VISC. First, we created a new viscosity model for aqueous electrolyte solutions containing an arbitrary number of ion species. Second, we integrated the electrolyte model within the existing AIOMFAC-VISC framework to enable viscosity predictions for organic–inorganic mixtures.
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