A STUDY ON MATHEMATICAL MODELLING OF DISTILLATION COLUMN IN A PETROLEUM PROCESS

Petroleum Engineering

The aim of this paper a study on Mathematical Modelling of Distillation Column. This paper introduces a calculation procedure for modeling and control simulation of condensate distillation column based on petroleum process. Most distillation control systems, either conventional or advanced, assume that the column operates under a constant pressure. Pressure fluctuations make control more difficult and reduce performance. The petroleum process behavior of distillation columns can be described strictly by a set of algebraic equations. The distillation column is said to contain a known number of trays. The mass balance and overall mass and energy balance on each component on each tray give rise to a set of algebraic equations that can be solved simultaneously to obtain the dynamical behavior. In this paper, modeling and simulation are completed in three stages: the basic nonlinear model of the plant, the full-order linear model, and the low-order linear model. In this paper, calculations and simulations are implemented using the MATLAB (version 7.0) software package.

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