Two-Dimensional Mathematical Modeling of the Oxidative Coupling of Methane in a Membrane Reactor

Wisitsree Wiyaratn; Salamah Manundawee; Amornchai Arpornwichanop; Suttichai Assabumrungrat; Anucha Watanapa; Chidporn Worawimut

doi:10.4186/ej.2016.20.1.17

Two-Dimensional Mathematical Modeling of the Oxidative Coupling of Methane in a Membrane Reactor

Authors

Wisitsree Wiyaratn King Mongkut's University of Technology Thonburi
Salamah Manundawee Chulalongkorn University
Amornchai Arpornwichanop Chulalongkorn University
Suttichai Assabumrungrat Chulalongkorn University
Anucha Watanapa King Mongkut's University of Technology Thonburi
Chidporn Worawimut King Mongkut's University of Technology Thonburi

DOI:

https://doi.org/10.4186/ej.2016.20.1.17

Keywords:

Oxidative coupling of methane, BSCFO membrane, two-dimensional model, theoretical analysis.

Abstract

The oxidative coupling of methane (OCM) in a dense BSCFO membrane reactor (MR) was theoretically studied using a two-dimensional reactor model. The simulation results indicated that increasing the operating temperature results in increased CH₄ conversion and decreased C₂ selectivity. An increase in the methane feed flow rate lowers the CH₄ conversion but increases the C₂ selectivity; however, the effect of the air flow rate on the OCM membrane reactor exhibits an opposite trend. The optimum configuration of the dense BSCFO-MR to provide the best performance was 0.018 m in diameter and 0.2 m in length at a GHSV of 38904.54 h-1 and temperature of 1073 K. Under these optimal conditions, the CH₄ conversion is 43.713%, the C₂ selectivity is 61.352% and the C₂ yield is 26.82%.

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Author Biographies

Wisitsree Wiyaratn
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Faculty of Industrial Education and Technology, King Mongkut’s University of Technology Thonburi, Bangkok 10140, Thailand

Salamah Manundawee
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Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand

Amornchai Arpornwichanop
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Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand

Suttichai Assabumrungrat
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Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand

Anucha Watanapa
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Department of Production Technology Education, Faculty of Industrial Education and Technology, King Mongkut's University of Technology Thonburi, Bangkok 10140, Thailand

Chidporn Worawimut
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Learning Innovation and Technology, King Mongkut's University of Technology Thonburi, Bangkok 10140, Thailand

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Published In

Vol 20 No 1, Jan 29, 2016

How to Cite

[1]

W. Wiyaratn, S. Manundawee, A. Arpornwichanop, S. Assabumrungrat, A. Watanapa, and C. Worawimut, “Two-Dimensional Mathematical Modeling of the Oxidative Coupling of Methane in a Membrane Reactor”, Eng. J., vol. 20, no. 1, pp. 17-33, Jan. 2016.

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