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- W78272014 abstract "Catalyst system and hardware technology has changed significantly in the last ten years. These reactor technologies produce a varying product slate that must be adequately fractionated and efficiently recovered by the downstream equipment. There are many different recovery system designs, each having differing types of equipment limitations. Having a good baseline test which includes a complete unit heat and material balance, comprehensive unit pressure profile, and detailed understanding of existing equipment limitations allows potential charge rate and yield shift improvements to be reliably assessed. Analyzing reactor-regenerator limitations without regard to the FCCU recovery section performance gives an incomplete picture of the unit optimization. Understanding how each individual piece of equipment performs and how the integrated system responds to various changes is important. Simple changes to an FCCU like adding a main fractionator condenser cooling water booster pump can drop the overhead receiver temperature by 10{degrees}F thereby reducing wet gas production by 8%-10%. How this lower wet gas production is used is a function of the optimization objective. Is increased propylene production or more gasoline production the target? Minimum capital profit improvement projects require a clear understanding of a unit`s baseline performance, capabilities, and limitations. While it is important to bemore » able to perform equipment calculations to determine unit bottlenecks, understanding global optimization issues is critical.« less" @default.
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- W78272014 date "1996-03-01" @default.
- W78272014 modified "2023-09-26" @default.
- W78272014 title "FCCU optimization: A minimum capital approach" @default.
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