MODELING AND SIMULATION OF THE PYROLYSIS REACTIONS AND COKE DEPOSITION IN INDUSTRIAL ETHANE CRACKER

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TOUFIGHI J.; KARIMZADEH R.; NIAEI A.; SAEDI G.; HOSEINI S.

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Journal: MODARES TECHNICAL AND ENGINEERING Year:2003 | Volume:- | Issue:10 Page(s): 82-90

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Title

MODELING AND SIMULATION OF THE PYROLYSIS REACTIONS AND COKE DEPOSITION IN INDUSTRIAL ETHANE CRACKER

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Keywords

MODELINGQ2

SIMULATIONQ4

COKE DEPOSITIONQ4

ETHANEQ4

THERMAL CRACKINGQ4

FURNACEQ4

Abstract

Pyrolysis of gaseous hydrocarbons is an important process in the production of olefins. Low molecular weight olefins are the most important base chemicals for petrochemical industries. A SIMULATION program of the reaction kinetics and coke formation inside the coils of a THERMAL CRACKING unit can provide information on the effects of operating conditions on the product distribution. The present work is concerned with the MODELING and SIMULATION of an ETHANE-cracking FURNACE. Mathematical models describing the SIMULATION of the pyrolysis reactors need to be combined with complex kinetic models with coking, heat and mass transfer, firebox profiles and fluid dynamic characteristics. In this work, with the help of a kinetic reaction network for the pyrolysis of ETHANE, the coking kinetic model of an industrial cracking FURNACE is simulated. The coking model is in first order with respect to the concentration of coke precursors. The precursors are classifIed into ethylene, propylene, butadiene, acetylene and aromatics (benzene, toluene, xylene, styrene). Simultaneous SIMULATION of the reactor and firebox provides a detailed understanding of the cracking FURNACE behavior in the reactor length and run time. Some kinetic extensions had to be made and the parameters were tuned and verified with large amounts of industrial data. The reactor model, as well as the kinetic scheme, are tested in an industrial cracking FURNACE.

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APA: Copy

TOUFIGHI, J., KARIMZADEH, R., NIAEI, A., SAEDI, G., & HOSEINI, S.. (2003). MODELING AND SIMULATION OF THE PYROLYSIS REACTIONS AND COKE DEPOSITION IN INDUSTRIAL ETHANE CRACKER. MODARES TECHNICAL AND ENGINEERING, -(10), 82-90. SID. https://sid.ir/paper/25108/en

Vancouver: Copy

TOUFIGHI J., KARIMZADEH R., NIAEI A., SAEDI G., HOSEINI S.. MODELING AND SIMULATION OF THE PYROLYSIS REACTIONS AND COKE DEPOSITION IN INDUSTRIAL ETHANE CRACKER. MODARES TECHNICAL AND ENGINEERING[Internet]. 2003;-(10):82-90. Available from: https://sid.ir/paper/25108/en

IEEE: Copy

J. TOUFIGHI, R. KARIMZADEH, A. NIAEI, G. SAEDI, and S. HOSEINI, “MODELING AND SIMULATION OF THE PYROLYSIS REACTIONS AND COKE DEPOSITION IN INDUSTRIAL ETHANE CRACKER,” MODARES TECHNICAL AND ENGINEERING, vol. -, no. 10, pp. 82–90, 2003, [Online]. Available: https://sid.ir/paper/25108/en

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