Authors
Abstract
The relationships between the process variables for a Fluid Catalytic Cracking unit (FCCU), processing vacuum gas oil (VGO) feedstock from Kirkuk crude oil, were studied depending on material and energy balance calculations. Computer programs written in Visual Basic (6.0) are developed to evaluate all the process variables. The steady state models is used to design the reactor, regenerator, fractionator and slurry settler. A hydrodynamic model for the complete description of the FCCU is developed. The model simulates the riser and the regenerator and incorporates operating conditions, feed properties and catalyst effects. The effect of the selection of the input (manipulated variables) on the output (measured variables) for the reactor and regenerator is also studied.
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