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Lumping Analysis in Modeling of Binary Cracking Kinetics in Hydrocracking Reactions

Md Esa, Md Hairman (2012) Lumping Analysis in Modeling of Binary Cracking Kinetics in Hydrocracking Reactions. UNIVERSITI TEKNOLOGI PETRONAS, UNIVERSITI TEKNOLOGI PETRONAS. (Unpublished)

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Abstract

Hydrocracking is a conversion process of heavy oil fractions such as naphtha and middle distillates into lighter products in a relative high pressure and temperature condition. Hydrocracking process has benefits petroleum industries in producing high quality products such as diesel, jet fuels and gasoline. In order to predict the product yields at different operating conditions, it is necessary to have the modelling of hydrocracking kinetics. In this project, the modelling of binary cracking kinetics was verified by using discrete lumping approach, which involve carbon number and true boiling point of hydrocarbon as model compound. Four hydrocracker models representing four different stoichiometric kernels were verified at two different temperatures, 663K and 723K to find the exact lumping system for each model. Lumping analysis for each hydrocracker model was carried out based on Wei and Kou criteria where the system that disobey the criteria was classified as not exactly lumpable. Analysis on the results indicated that carbon number basis produced three exact lumping systems for model 1 and model 2 of hydrocracker at temperature 663K and 723K. Another analysis on true boiling point indicated that no exact lumping systems produced as both model 3 and model 4 of the hydrocracker models violated the criteria stated by Wei and Kuo.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Reactor Technology
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Sharifah Fahimah Saiyed Yoep
Date Deposited: 01 Apr 2013 09:14
Last Modified: 25 Jan 2017 09:40
URI: http://utpedia.utp.edu.my/id/eprint/6124

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