Dynamic Modeling and Optimization of Steam Methane Reforming

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FARSI MOHAMMAD; KESHAVARZ PEYMAN; Taji Marziyeh

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Journal Paper

Paper Information

Journal: Nashrieh Shimi va Mohandesi Shimi Iran Year:2021 | Volume:40 | Issue:1 (99) Page(s): 273-284

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Information Journal Paper

Title

Dynamic Modeling and Optimization of Steam Methane Reforming

Author(s)

FARSI MOHAMMAD | KESHAVARZ PEYMAN | Taji Marziyeh | Issue Writer Certificate

Keywords

Steam Methane Reforming

Process Modeling

Catalyst Deactivation

Dynamic Optimization

Abstract

The main goal of this research is dynamic modeling and optimization of the Steam Methane Reforming process in an industrial hydrogen plant in a crude oil refinery. In the first step, the process is heterogeneously modeled based on the mass and energy balance equations considering Catalyst Deactivation. Since the reforming reactions are under mass transfer control in the catalyst, the effectiveness factor is calculated and applied in the model. Then, to verify the accuracy of the model, the simulation results are compared with the plant data. The simulation results show that hydrogen production capacity decreases and approaches from 27. 4 to 24. 4 mole/s due to Catalyst Deactivation. In the next step, considering the uniform hydrogen production as an objective function and operational limitations in the process, a single objective optimization problem is formulated to overcome the production decay. Based on the formulated optimization problem, the optimal dynamic trajectories of feed temperature, furnace temperature, and steam to methane ratio are calculated during the process run time. Based on the simulation results, the hydrogen production is improved by about 6% applying optimal conditions to the system.

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APA: Copy

FARSI, MOHAMMAD, KESHAVARZ, PEYMAN, & Taji, Marziyeh. (2021). Dynamic Modeling and Optimization of Steam Methane Reforming. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), 40(1 (99) ), 273-284. SID. https://sid.ir/paper/952423/en

Vancouver: Copy

FARSI MOHAMMAD, KESHAVARZ PEYMAN, Taji Marziyeh. Dynamic Modeling and Optimization of Steam Methane Reforming. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN)[Internet]. 2021;40(1 (99) ):273-284. Available from: https://sid.ir/paper/952423/en

IEEE: Copy

MOHAMMAD FARSI, PEYMAN KESHAVARZ, and Marziyeh Taji, “Dynamic Modeling and Optimization of Steam Methane Reforming,” NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), vol. 40, no. 1 (99) , pp. 273–284, 2021, [Online]. Available: https://sid.ir/paper/952423/en

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