ASPEN物性方法选择求助

jjq1023480715 · 发表于 2021-1-11 16:17:37

如果一个流程里面又有有机相，又有无机相，且混在一起（有水溶液，有离子），那么物性方法该选择什么，楼主选择了ENRTL-RK然后就出现这样情况了
Processing input specifications ...

   INFORMATION
   THERE ARE HENRY COMPONENTS DEFINED IN THIS CASE, THE BINARY DATABANK
   WILL BE SEARCHED AUTOMATICALLY FOR ANY AVAILABLE HENRY CONSTANTS.

  * WARNING IN PHYSICAL PROPERTY SYSTEM
   UNSYMMETRIC ELECTROLYTE NRTL MODEL GMENRTLQ HAS MISSING PARAMETERS:
   Dielectric constant (CPDIEC) MISSING FOR C2H2    & OTHER COMPONENTS.
   CPDIEC OF WATER WILL BE ASSUMED.

  ****PROPERTY PARAMETER ERROR
   WATER MUST BE PRESENT FOR USING INFINITE DILUTION

! Calculations stopped because of missing  property parameters

yankai198512 · 发表于 2021-1-11 16:17:37

个人观点：看你体系里面水占主要了，要是电解质占主要，需要考虑电解质的情况就应该选电解质的，要是单纯的是一种盐，对体系模拟没影响，那就无所谓，

wutuxiaoyuan · 发表于 2021-1-11 16:17:37

路过学习了······

lingerking · 发表于 2021-1-11 16:17:37

ElCNRTL，适合有盐离子的有机废水萃取