有没有大佬帮忙看一下这个萃取的ASPEN模型的问题要怎么解决

觚瓜树 · 发表于 1970-1-1 08:00:00

化工小白，问题如下
->Processing input specifications ...

   STRUCTURE FOR COMPONENT N235 HAS NOT BEEN DEFINED.
   PCES CANNOT USE GROUP-CONTRIBUTION METHODS TO ESTIMATE MISSING PROPERTIES
   USE THE STRUCTURES PARAGRAPH TO DEFINE STRUCTURES OF THIS COMPONENT.

  * WARNING IN THE "STREAM" PARAGRAPH WHICH BEGINS ON LINE 78
   STREAM NAME: EXTRA
   COMPONENT MOLE FLOWS OF SUBSTREAM: "MIXED"
   ARE NORMALIZED TO THE TOTAL MOLE FLOW VALUE.

  * WARNING IN THE "STREAM" PARAGRAPH WHICH BEGINS ON LINE 82
   STREAM NAME: WATER
   COMPONENT MOLE FLOWS OF SUBSTREAM: "MIXED"
   ARE NORMALIZED TO THE TOTAL MOLE FLOW VALUE.

  Flowsheet Analysis :

Block $OLVER01 (Method: WEGSTEIN) has been defined to converge
      streams: 10       9       8       7

COMPUTATION ORDER FOR THE FLOWSHEET:
$OLVER01 B1 B2 B3 B4 B5
(RETURN $OLVER01)

->Calculations begin ...

> Beginning Convergence Loop $OLVER01 Method: WEGSTEIN
  Converging tear streams: 10       9       8       7

Block: B1    Model: DECANTER
  * WARNING
   NO PHASE SPLITTING OCCURS AT GIVEN SPECIFICATIONS. SINGLE PHASE
   SOLUTION IS RETURNED.

Block: B2    Model: DECANTER
  * WARNING
   NO PHASE SPLITTING OCCURS AT GIVEN SPECIFICATIONS. SINGLE PHASE
   SOLUTION IS RETURNED.

Block: B3    Model: DECANTER
  * WARNING
   NO PHASE SPLITTING OCCURS AT GIVEN SPECIFICATIONS. SINGLE PHASE
   SOLUTION IS RETURNED.

Block: B4    Model: DECANTER
  * WARNING
   NO PHASE SPLITTING OCCURS AT GIVEN SPECIFICATIONS. SINGLE PHASE
   SOLUTION IS RETURNED.

   ACTIVITY COEFFICIENT MODEL GMUFAC HAS MISSING PARAMETERS:
   UNIFAC GROUP STRUCTURAL INFORMATION PARAMETER, UFGRP (DATA SET 1),
   MISSING FOR COMPONENT N235; NO UFGRP PARAMETERS SUPPLIED BY USER;
   DEFAULTS NOT FOUND IN DATA BANK

! Calculations stopped because of missing  property parameters

觚瓜树 · 发表于 1970-1-1 08:00:00

里面的N235和TBP标反了

慕容依天 · 发表于 1970-1-1 08:00:00

请加我QQ：2139787306，有关萃取的模拟我给你说一些情况。你这是缺少相关物性数据

觚瓜树 · 发表于 1970-1-1 08:00:00

慕容依天发表于 2019-8-6 20:21
请加我QQ：2139787306，有关萃取的模拟我给你说一些情况。你这是缺少相关物性数据

好的谢谢