Workshop 4.3 Build Main Fractionator and Gas Plant System

Workshop 4.3 Build Main Fractionator and Gas Plant System 

The effluent from the FCC unit is a broad mixture of light gases and liquid products that will be recovered as LPG, Gasoline and Diesel (Light and Heavy Cycle Oil). The downstream fractionation units separate the reactor effluent into the product cut through a series of distillation and absorption columns. The main components of the downstream fractionation are  

For this workshop, we will describe the main fractionator. The remainder of fractionation section is quite similar to other units in the refinery and may be simulated quite easily using standard Aspn HYSYS unit operations. Although we only describe the main fractionation in this section, a complete fractionation model (including the gas plant) is available in the DVD that accompany this text. 

Connect the FCC effluent (T201 Feed) and primary steam feed to the unit 

Solve the column to obtain an initial temperature profile. 

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