and diesel. However, changes in quality, the nature of crude oil blends feedstocks,
environmental changes, and the desire to obtain higher profitability lead to many alternative
operating conditions of the FCC riser. The production objective of the riser is usually the
maximization of gasoline and diesel. Here, an optimization framework is developed in
gPROMS to maximize the gasoline in the riser of an industrial FCC unit (reported in the …