aspen模拟环氧乙烷吸收塔的问题

大飞2025

物性方法选SR-POLAR，但是运行就出现下面的错误：
*   WARNING IN PHYSICAL PROPERTY SYSTEM
      EQUATION OF STATE MODEL ESHOC CALCULATES REDUCED DENSITY =   -1.26
      AT TEMPERATURE =    318.150, PRESSURE =     0.26184E+07
      REDUCED DENSITY > 0.5; RESULTS MAY HAVE SIGNIFICANT ERROR

  *   WARNING IN PHYSICAL PROPERTY SYSTEM
      EQUATION OF STATE MODEL ESHOC CALCULATES REDUCED DENSITY =  -0.433
      AT TEMPERATURE =    298.150, PRESSURE =     0.16433E+07
      REDUCED DENSITY > 0.5; RESULTS MAY HAVE SIGNIFICANT ERROR

  *   WARNING IN PHYSICAL PROPERTY SYSTEM
      EQUATION OF STATE MODEL ESHOC CALCULATES REDUCED DENSITY =  -0.411
      AT TEMPERATURE =    318.150, PRESSURE =     0.30732E+07
      REDUCED DENSITY > 0.5; RESULTS MAY HAVE SIGNIFICANT ERROR

  *   WARNING IN PHYSICAL PROPERTY SYSTEM
      EQUATION OF STATE MODEL ESHOC CALCULATES REDUCED DENSITY =   0.748
      AT TEMPERATURE =    318.150, PRESSURE =     0.21997E+07
      REDUCED DENSITY > 0.5; RESULTS MAY HAVE SIGNIFICANT ERROR

  *   WARNING IN PHYSICAL PROPERTY SYSTEM
      EQUATION OF STATE MODEL ESHOC CALCULATES REDUCED DENSITY =  -0.217
      AT TEMPERATURE =    298.150, PRESSURE =     0.19102E+07
      REDUCED DENSITY > 0.5; RESULTS MAY HAVE SIGNIFICANT ERROR

  *   WARNING IN PHYSICAL PROPERTY SYSTEM
      EQUATION OF STATE MODEL ESHOC CALCULATES REDUCED DENSITY =   0.550
      AT TEMPERATURE =    298.150, PRESSURE =     0.13189E+07
      REDUCED DENSITY > 0.5; RESULTS MAY HAVE SIGNIFICANT ERROR




换了方法又达不到要求，找了大半天也找不到合适的解决方法，上来论坛请教各位前辈。
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