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Revista de la Sociedad Química de México
versión impresa ISSN 0583-7693
Resumen
ANCHEYTA, Jorge y SOTELO, Rogelio. Kinetic modeling of vacuum gas oil catalytic cracking. Rev. Soc. Quím. Méx [online]. 2002, vol.46, n.1, pp.38-42. ISSN 0583-7693.
A new kinetic model for catalytic cracking of vacuum gas oil is presented. The proposed model is based on lumping technique and considers the most important products in the FCC process: (1) gasoline (C5-493 K), (2) C4's (butane, i-butane and butenes), (3) C3's (propane and propylene), (4) dry gas (H2, C1-C2), (5) coke and (6) unconverted VGO (decanted and light cycle oils). A vacuum gas oil and an equilibrium catalyst recovered from a commercial FCC unit were employed to evaluate the kinetic and deactivation constants by using experimental information obtained in a microactivity plant. Good predictions of product yields with average absolute deviation less than 5 % with respect to experimental information were obtained.
Palabras llave : Catalytic cracking; kinetic model.