aspen模拟反应精馏

枫faley

*  WARNING
   ETHYL-01 WAS SPECIFIED AS AN L2-KEY COMPONENT BUT IS NOT
   PRESENT IN THE INLET STREAM. SPECIFICATION IGNORED.
*  WARNING
   NO PHASE SPLITTING OCCURS AT GIVEN SPECIFICATIONS. SINGLE PHASE
   SOLUTION IS RETURNED.

***SEVERE ERROR
   A LIQUID FEED/PUMPAROUND TO THE TOP STAGE IS REQUIRED WHEN
   'Q1=0' IS SPECIFIED IN 'COL-SPECS'; REQUIRED FEED/PUMPAROUND
   HAS ZERO FLOW.
*  WARNING
   REST OF BLOCK BYPASSED DUE TO SEVERE ERROR.
  反应精馏模拟，求高手帮忙。