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Juan M. Fernandez

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  • in reply to: UOP vs Kellog vs Exxon design #6915

    Juan M. Fernandez
    Participant

    Dear Spectorbass.

    I was panel operator in a FCC Exxon design (Riser Extended), but I don’t know the UOP and Kellogg designs operations details.   I think that the operation is very interesting, they’re many variables but in the unit that I operated the Riser temperature is the principal variable to be controlled, approx. 945ºF. The COT= 700ºF, Regenerator temp= 1340ºF, Pressure differential RX-RG= 1.5 psig. Pressure overhead of fractionator=18 psig, among others.   Typically the conversion is 65 – 68%, production of; Olefins= 23 KBD and Naphtha= 60 KBD, vs. a charge of 100 KBD.   The loss of Cat is approx. 3,5 tons per day, an addition of New Cat of 5,0 tons per day.   I hope had helped you in your requirements.   Best Regards…

  • in reply to: Cat cracking terminology #6919

    Juan M. Fernandez
    Participant

    Saludos Liz, mi nombre es Juan Fernandez, fuí Supervisor de Operaciones de un FCC en Venezuela, durante 11 años.[8|]

    Efectivamente “fondo” se traduce como “bottom” y el “circuito de fondo” puede se traducido por “Bottom Circuit”.

    “Fluid Bed” significa “lecho fluidizado”, generalmente se usa par adescribir la operacion de la unidad de FCC.

    Espero haberle ayudado.

    Estoy a su orden para cualquier otra información, atentamente…

    JuanFernandez (jmfl74@hotmail.com)

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