How to build your own material properties database
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The substance to be calculated is not available in the library; how can it be saved there after it is defined, so that it can be called directly on subsequent uses? There is another issue: when performing simulations of ternary liquid-liquid phase equilibria involving water, methanol, and fatty acid methyl esters, in reality fatty acid methyl esters are mixtures. How should this be handled in Aspen?
Regarding the creation of your own property database, you can customize a name and then import the property data for pure components； The same can be done for the binary interaction parameter
Refer to the Chinese versions of the ASPEN user manuals on system management and physical properties; they are available on this forum, I think it’s Chapter 1 and Chapter 6