Resumo

ANCHEYTA-JUAREZ, Jorge  e  LOPEZ-ISUNZA, Felipe. Analysis of Deactivation Models Based on Time-on-Stream (TOS) Theory for Fluid Catalytic Cracking Process. Rev. Soc. Quím. Méx [online]. 2000, vol.44, n.3, pp.183-187. ISSN 0583-7693.

The deactivation of equilibrium catalyst for catalytic cracking of vacuum gas oil was studied via MAT experiments with industrial catalyst and feedstock using the 3-lump kinetic scheme proposed by Weekman [1] and five deactivation models reported in literature based on Time-on-Stream (TOS) Theory (Model 1, exponential law; Model 2, a second-order model; Model 3, power law; Model 4, hyperbolic function; Model 5, an empirical model). The five deactivation models can be derived from a general m-order expression. All the models can represent the experimental data except the second-order model.

Palavras-chave : Catalysts; deactivation; models; cracking; gas oil.

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