September 2020

Catalyts

Driving FCCU value through fresh and flushing catalyst activity modeling

Refiners are continually challenged to maximize economic gain in the face of cost pressures and plant operating constraints. The fluidized catalytic cracking unit (FCCU) plays an integral role in the optimization of the facility. FCC catalyst is often one of the largest budget items in the refinery. Therefore, the balance between FCCU performance and catalyst costs has a significant impact on refinery profitability.

Refiners are continually challenged to maximize economic gain in the face of cost pressures and plant operating constraints. The fluidized catalytic cracking unit (FCCU) plays an integral role in the optimization of the facility. FCC catalyst is often one of the largest budget items in the refinery. Therefore, the balance between FCCU performance and catalyst costs has a significant impact on refinery profitability. Frequently, an FCCU will set the catalyst addition rate by targeting equilibrium catalyst (Ecat) activity or the levels of Ecat metals. Given regular changes in feed quality and refinery operating objectives, it can be difficult to predict what catalyst addition is needed, esp

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