A Continuous Lumping Model for Hydrocracking on a Zeolite Cata- lysts: Model Development and Parameter IdentificationReportar como inadecuado




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1 IFPEN - IFP Energies nouvelles

Abstract : Process models are a vital tool for the development of industrial hydrocracking units and to drive innovationof process design and novel catalysts. A hydrocracking model, based on the continuous lumpingapproach, is presented in this work. A zeolite catalyst was used for hydrocracking of pre-treated VGOfeeds. The model includes inhibition terms for organic nitrogen and NH3 gas. A total of 74 data points,from experimental runs in a fixed-bed pilot plant, have been used for parameter identification 52 pointsand model validation 22 points. The model has been found to provide a good estimation of total residue>370 C cut conversion and yield structure naphtha, kerosene and diesel. A statistical analysis of the12 model parameters, based on the Eigenvectors of the Hessian has been presented. The impact of theindividual parameters on the objective function was thus evaluated. This analysis can help guide futurerefinement of the model.

Keywords : Hydrocracking Kinetic Modeling Continuous Lumping Sensitivity Study Heavy oils Gas oil Silica alumina





Autor: Per Julian Becker - Benoit Celse - Denis Guillaume - Victor Costa - Luc Bertier - Emmanuelle Guillon - Gerhard Pirngruber -

Fuente: https://hal.archives-ouvertes.fr/



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