1 reply to this topic

[Marcaus01]

Hello, I'm currently working on a process simulation project on triacetin synthesis and I'm getting the below error on simulating the reactor. can someone please help me figure out what exactly can I do to resolve  this issue? 

 

 

 

 

! Errors while processing input specifications

 

 

->Processing input specifications ...

.

 

  *   WARNING IN PHYSICAL PROPERTY SYSTEM

      PROP-NAME RENON FOR COMPONENT PAIR GLYCE-01 AND MONOA-01

      CANNOT BE ESTIMATED USING THE UNIFAC METHOD AS SPECIFIED

      BECAUSE OF MISSING INPUT PARAMETERS:

 

         STRUCTUR, GMUFR   , GMUFQ

 

  *   WARNING IN PHYSICAL PROPERTY SYSTEM

      PROP-NAME UNIQUAC FOR COMPONENT PAIR GLYCE-01 AND MONOA-01

      CANNOT BE ESTIMATED USING THE UNIFAC METHOD AS SPECIFIED

      BECAUSE OF MISSING INPUT PARAMETERS:

 

         STRUCTUR, GMUFR   , GMUFQ

 

  *   WARNING IN PHYSICAL PROPERTY SYSTEM

      PROP-NAME RENON FOR COMPONENT PAIR ACETI-01 AND MONOA-01

      CANNOT BE ESTIMATED USING THE UNIFAC METHOD AS SPECIFIED

      BECAUSE OF MISSING INPUT PARAMETERS:

 

         STRUCTUR, GMUFR   , GMUFQ

 

  *   WARNING IN PHYSICAL PROPERTY SYSTEM

      PROP-NAME UNIQUAC FOR COMPONENT PAIR ACETI-01 AND MONOA-01

      CANNOT BE ESTIMATED USING THE UNIFAC METHOD AS SPECIFIED

      BECAUSE OF MISSING INPUT PARAMETERS:

 

         STRUCTUR, GMUFR   , GMUFQ

 

  *   WARNING IN PHYSICAL PROPERTY SYSTEM

      PROP-NAME RENON FOR COMPONENT PAIR WATER AND MONOA-01

      CANNOT BE ESTIMATED USING THE UNIFAC METHOD AS SPECIFIED

      BECAUSE OF MISSING INPUT PARAMETERS:

 

         STRUCTUR, GMUFR   , GMUFQ

 

  *   WARNING IN PHYSICAL PROPERTY SYSTEM

      PROP-NAME UNIQUAC FOR COMPONENT PAIR WATER AND MONOA-01

      CANNOT BE ESTIMATED USING THE UNIFAC METHOD AS SPECIFIED

      BECAUSE OF MISSING INPUT PARAMETERS:

 

         STRUCTUR, GMUFR   , GMUFQ

 

      STRUCTURE FOR COMPONENT MONOA-01 HAS NOT BEEN DEFINED.

      PCES CANNOT USE GROUP-CONTRIBUTION METHODS TO ESTIMATE MISSING PROPERTIES

 

  *   WARNING IN PHYSICAL PROPERTY SYSTEM

      PROP-NAME RENON FOR COMPONENT PAIR MONOA-01 AND GLYCE-02

      CANNOT BE ESTIMATED USING THE UNIFAC METHOD AS SPECIFIED

      BECAUSE OF MISSING INPUT PARAMETERS:

 

         STRUCTUR, GMUFR   , GMUFQ

 

  *   WARNING IN PHYSICAL PROPERTY SYSTEM

      PROP-NAME RENON FOR COMPONENT PAIR MONOA-01 AND DIACETIN

      CANNOT BE ESTIMATED USING THE UNIFAC METHOD AS SPECIFIED

      BECAUSE OF MISSING INPUT PARAMETERS:

 

         STRUCTUR, GMUFR   , GMUFQ

 

  *   WARNING IN PHYSICAL PROPERTY SYSTEM

      PROP-NAME UNIQUAC FOR COMPONENT PAIR MONOA-01 AND GLYCE-02

      CANNOT BE ESTIMATED USING THE UNIFAC METHOD AS SPECIFIED

      BECAUSE OF MISSING INPUT PARAMETERS:

 

         STRUCTUR, GMUFR   , GMUFQ   , GMUQR   , GMUQQ

 

  *   WARNING IN PHYSICAL PROPERTY SYSTEM

      PROP-NAME UNIQUAC FOR COMPONENT PAIR MONOA-01 AND DIACETIN

      CANNOT BE ESTIMATED USING THE UNIFAC METHOD AS SPECIFIED

      BECAUSE OF MISSING INPUT PARAMETERS:

 

         STRUCTUR, GMUFR   , GMUFQ   , GMUQR   , GMUQQ

 

 

->Table Generation begins ...

 

->Table generation completed

 

[shvet1]

Components mentioned are missing in Aspen database. This means user shall manually input data for UNIFAC or draw molecules. Study relevant chapters in manual and/or teaching modules.

Edited by shvet1, 20 June 2023 - 01:35 PM.