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Vapor Pressure Model Pl0Xant Has Missing Parameters


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#1 Arun Teja

Arun Teja

    Brand New Member

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Posted 22 September 2022 - 08:46 PM

Dear team,

 

I am converting triglycerides to FAME and has taken triglyceride TAG-PPO (C53H100O6)  from the ASPEN biodiesel database.

 

I have given the reactions (1). Triglycerides--> Diglycerides ,(2). DG--> MG, & (3). MG-->FAME + glycerol along with the reversible reactions.

 

I have given the vapour -liquid-liquid as the valid phases for the RCSTR reactor and NRTL method was selected. 

 

Though I have used all the components data from the ASPEN database, I am getting the following errors

 

->Calculations begin ...
 
      VAPOR PRESSURE MODEL PL0XANT HAS MISSING PARAMETERS:
      PLXANT/1ST ELEMENT (DATA SET 1) MISSING FOR COMPONENT TAG-PPO
 
  ****PROPERTY PARAMETER ERROR
      ERRORS ENCOUNTERED IN CALCULATION OF VAPOR-LIQUID K-VALUES USING
      OPTION SET NRTL FOR KVL.
 
! Calculations stopped because of missing  property parameters
 
Can you please help me resolving the issue.
 
Thank you for the consideration
Kind regards
Arun





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