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Minimum MAT activity in FCC unit

Home Forums CatCracking FCC Process Minimum MAT activity in FCC unit

This topic contains 0 replies, has 1 voice, and was last updated by  Freddy Martinez 10 years, 10 months ago.

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    Freddy Martinez

    My question is related with the minimum MAT activity that can be reached in a FCC unit. The main objective in one of our FCC units is maximum middles distillates, and we run this unit at very low severity. Tha MAT activity of the e-cat in 54-55%wt, with some punctual values of 52-53%wt.
    We would like to decrease e-cat activity even further, but we have some concerns and doubts about potential problems that could arise, like definitive loss of cracking activity, significant increase in bottoms production, ect.
    Has anyone experience runing and FCC unit at MAT activity below 52-53%wt? What problems could appear with so low MAT activity?
    Thanks in advance

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