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Keywords:

  • distillation column;
  • safety;
  • pressure relief;
  • dynamic simulation

Abstract

A new method for the design of safety devices for distillation columns based on dynamic simulation is presented. A simulation model for the description of the column behavior after an operational failure was developed and successfully validated. The model includes the description of weeping, entrainment, and pressure relief (one-phase or two-phase flow). Based on the simulation results, a more efficient design of safety measures is possible. © 2010 American Institute of Chemical Engineers AIChE J, 2011