Application of Finite Element Method for Modeling of Multi-tube Fixed Bed Catalytic Reactors
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Parham Roohi
,
Esmaeil Fatehifar
Abstract
In this article, the finite element method (FEM) was applied for modeling of multi-tube fixed bed catalytic reactor (FBCR). For this purpose, a more sophisticated 2D pseudo-heterogeneous model was used to calculate steady-state temperature and partial pressure profiles through the reactor. This model has a vast capability in the prediction of temperature and partial pressure distribution, separately, in the fluid and catalyst phases. The finite element results were compared with de wasch and Froment’s numerical work which developed for a well-established reaction in the multi-tube FBCR (o-xylene partial oxidation). The R-squared analysis indicated that the FEM results agree favorably with finite difference results which reported in the literature. Numerical solution coincidence of FEM and FDM increases with reduction of inlet gas temperature. The results show that the finite element as a powerful numerical method can be used to describe the multi-tube fixed bed catalytic reactor.
References
1. MariaG, StefanD-N.Variability of operating safety limits with catalyst within a fixed-bed catalytic reactor for vapour-phase nitrobenzene hydrogenation. J Loss Prev Process Ind2010;23:112–26.10.1016/j.jlp.2009.06.007Suche in Google Scholar
2. YaghobiN, GhoreishyMH.Oxidative coupling of methane in a fixed bed reactor over perovskite catalyst: a simulation study using experimental kinetic model. J Nat Gas Chem2008;17:8–16.10.1016/S1003-9953(08)60019-5Suche in Google Scholar
3. KarimA, BravoJ, DatyeA.Nonisothermality in packed bed reactors for steam reforming of methanol. Appl Catalysis A: Gen2005;282:101–09.10.1016/j.apcata.2004.12.006Suche in Google Scholar
4. LópezE, HeracleousE, LemonidouAA, BorioDO.Study of a multitubular fixed-bed reactor for ethylene production via ethane oxidative dehydrogenation. Chem Eng J2008;145:308–15.10.1016/j.cej.2008.08.029Suche in Google Scholar
5. KhannaR, SeinfeldJH.Mathematical modeling of packed bed reactors: numerical solutions and control model development. In: WeiJ, AndersonJL, BischoffKB, DennMM, SeinfeldJH editors. Advances in chemical engineering. London: Academic Press, 1987:113–91.Suche in Google Scholar
6. FromentGF, BischoffKB.Chemical reactor analysis and design, 2nd ed. New York: Wiley, 1990.Suche in Google Scholar
7. Pereira DuarteSI, BarretoGF, LemcoffNO.Comparison of two-dimensional models for fixed bed catalytic reactors. Chem Eng Sci1984;39:1017–24.10.1016/0009-2509(84)87010-4Suche in Google Scholar
8. ElkanziEM, AlyS.A finite element solution of the fixed-bed catalytic reactor heterogeneous models. Comput Chem Eng1993;17:S485–92.10.1016/0098-1354(93)80270-WSuche in Google Scholar
9. HendaR, MachacA, NilssonB.Heat and mass transport in a nonlinear fixed-bed catalytic reactor: hot spots and thermal runaway. Chem Eng J2008;143:195–200.10.1016/j.cej.2008.04.015Suche in Google Scholar
10. DeansHA, LapidusL.A computational model for predicting and correlating the behavior of fixed-bed reactors: ii. Extension to chemically reactive systems. AIChE J1960;6:663–8.10.1002/aic.690060429Suche in Google Scholar
11. ElnashaieSS, ElshishiniSS.Modelling, simulation and optimization of industrial fixed bed catalytic reactors. Philadelphia, PA: Gordon and Breach Science, 1993.Suche in Google Scholar
12. HillCG.An introduction to chemical engineering kinetics & reactor design. New York: Wiley, 1977.Suche in Google Scholar
13. CarberryJJ, WendelMM.A computer model of the fixed bed catalytic reactor: the adiabatic and quasi-adiabatic cases. AIChE J1963;9:129–33.10.1002/aic.690090128Suche in Google Scholar
14. RaoSS.The finite element method in engineering, 4th ed.Burlington: Butterworth-Heinemann, 2005.Suche in Google Scholar
15. de WaschAP, FromentGF.A two dimensional heterogeneous model for fixed bed catalytic reactors. Chem Eng Sci1971;26:629–34.10.1016/0009-2509(71)86006-2Suche in Google Scholar
16. PapageorgiouJN, FromentGF.Simulation models accounting for radial voidage profiles in fixed-bed reactors. Chem Eng Sci1995;50:3043–56.10.1016/0009-2509(95)00138-USuche in Google Scholar
©2014 by Walter de Gruyter Berlin / Boston
Artikel in diesem Heft
- Frontmatter
- Application of Finite Element Method for Modeling of Multi-tube Fixed Bed Catalytic Reactors
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Artikel in diesem Heft
- Frontmatter
- Application of Finite Element Method for Modeling of Multi-tube Fixed Bed Catalytic Reactors
- Using a Fractional Experimental Design for the Study of the Tensile Strength of a Film of Polyethylene Plastic Degradable
- CFD Modeling and Experimental Study of a Spray Dryer Performance
- Computational Antioxidant Capacity Simulation (CAOCS): A Novel Framework of Antioxidant Capacity Profiling
- WPC Soft: Prototype Simulation Software to Predict the Internal Changes During Hot Pressing of Wood Plastic Composites
- Genetic Algorithm Approach to Optimize Biodiesel Production by Ultrasonic System
- Classical and Neural Network–Based Approach of Model Predictive Control for Binary Continuous Distillation Column
- Modeling, Simulation, and Configuration Improvement of Horizontal Ammonia Synthesis Reactor
