Physics:COSMOSPACE

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COSMOSPACE (COSMO Surface-Pair Activity Coefficient Equation) is an activity coefficient model in which the activity coefficient of the components in a liquid chemical mixture can be related through their molar fraction.[1] It was initially developed as an implicit solution to COSMO-RS.

While UNIQUAC is a first order approximation, COSMOSPACE gives the exact solution of a lattice model in which pairwise molecule surfaces interact. Therefore, COSMOSPACE outperforms Uniquac in the description of vapor–liquid and liquid–liquid phase equilibria.[2]

See also

References

  1. ↑ Andreas Klamt, Gerard J. P. Krooshof, Ross Taylor "COSMOSPACE: Alternative to conventional activity-coefficient models", AIChE J., 48(10), 2332–2349, (2002)
  2. ↑ Thesis of Dennis Bosse, "Diffusion, Viscosity, and Thermodynamics in Liquid Systems", Technischen Universität Kaiserslautern (2005), [1] "



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