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楼主 |
发表于 2020-1-7 21:01:54
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好的,谢谢。
但是有个问题,我看了下CPA注释:
The model’s applicability covers the VLE and VLLE of mixtures containing hydrocarbons and polar/associating chemicals such as water, alcohols, glycols, esters, and organic acids.
The CPA (Cubic-Plus-Association) property method uses the Soave-Redlich-Kwong (SRK) cubic equation of state combined with the association term for SAFT for all thermodynamic properties.
SRK和SAFT都是状态方程适用于理想和轻度非理想状态体系,例题9.5中含有甲醇属于非理想状态体系,Hysys默认OK,但是个人认为还是选择活度系数方程UNIQUAC。
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