Rigorous industrial dynamic simulation of a crude distillation unit considered valve tray rating parameters

Byoungmu Chang, Seunghoon Lee, Hyeoktae Kwon, Il Moon

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A rigorous dynamic simulation is performed to find optimal operating conditions of a crude distillation unit with 56 trays and 65,000 barrel per day capacity. The model includes not only mass and energy balance equations but also nonlinear equations capturing the fluid behavior in the column such as downcomer load, jet flooding, hole velocity limit and downcomer backup. Discrete behavior of pump and heater on/off, valve open/close are also included. Hundreds of thousand differential algebraic equations(DAEs) are set up and solved by gPROMS simultaneously. As a result, the dynamic behavior of the unit during the starting and shutdown procedure is fully understood.

Original languageEnglish
Pages (from-to)S863-S866
JournalComputers and Chemical Engineering
Volume22
Issue numberSUPPL.1
DOIs
Publication statusPublished - 1998

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Computer Science Applications

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