Kinetic Parameters Estimation for Hydrocracker Reactor using Five Lumps Reaction Scheme
Authors: Adeloye, Olalekan Michael, Akpa, Jackson Gonurubon, Dagde, Kenneth Kekpugile, Ehirim, Emmanuel Odionyegbuechua, Igbagara, Princewill Woyinbrakemi
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Abstract
The research study focused on kinetic parameters (preexponential factors and activation energies) estimation as a vital tool in solving the developed model equations of the hydrocracker reactor attached to the striping section of the modified modular refinery operations in Nigeria using five lump reaction path schemes. The estimation of these parameters are important as it gives best and most efficient values in comparison to experimental and literature data. Thus, these parameters are required in solving the developed model equations of the hydrocracker reactor. The principle of conservation of mass was applied in developing steady state models for packed bed catalytic hydrocracker reactor based on the evaluated isothermal nature of reaction taking place in the hydrocracker reactor. The kinetic parameters (preexponential factors and activation energies) for the five lump reaction scheme were evaluated using single point regression analysis with MATLAB software, and the results of preexponential factors for light ends, naphtha, diesel and bottom products were 51.9547hr-1, 9.2999E8hr-1, 2.3399E16hr-1 and 2.25E8hr-1 respectively, while the estimated values of activation energy for light ends, naphtha, diesel and bottom products are 5.6151Kcal/mol, 41.3388Kcal/mol, 48.5074Kcal/mol and 23.5293Kcal/mol respectively. These results were compared with kinetic parameters experimental data of similar hydrocracker reactor study with percentage absolute error or minimum deviations within the allowable range. Therefore, these estimated kinetic parameters data are pertinent tools applied in solving the steady state models developed for hydrocracker reactor, thereby predicting the performance of the hydrocracker reactor with high efficiency or degree of accuracy.