A comprehensive estimation of kinetic parameters in lumped catalytic cracking reaction models

被引：18
|
作者：
Hernandez-Barajas, Jose Roberto [2 ]
Vazquez-Roman, Richart [1 ]
Felix-Flores, Ma. G. [3 ]
机构：
[1] Inst Tecnol Celaya, Dept Ingn Quim, Celaya 38010, Mexico
[2] Univ Juarez Autonoma Tabasco, Div Acad Ciencias Biol, Villahermosa 68039, Mexico
[3] Univ Autonoma Zacatecas, Unidad Acad Ciencias Quim, Guadalupe 98600, Zacatecas, Mexico
来源：
FUEL | 2009年 / 88卷 / 01期
关键词：
Catalytic cracking; Lumping; Kinetic modeling; Distribution function; DIFFUSION; VAPORIZATION; SIMULATION; UNITS; COKE;
D O I：
10.1016/j.fuel.2008.07.023
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This work presents a comprehensive approach to estimate kinetic parameters when the involved reactions contain lumped chemical species. This approach is based on representing rate constants with a continuous probability distribution function. In particular, the beta function is used to estimate kinetic parameters in catalytic cracking reactions. Thus, several kinetic models for the catalytic process containing different number of lumps are selected and a discretization procedure is carried out to estimate the corresponding kinetic parameters. The kinetic representation based on the probability distribution substantially reduces the computational and experimental effort involved in the numerical evaluation of kinetic parameters. Published by Elsevier Ltd.
引用
收藏
页码：169 / 178
页数：10
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