Reactivity of Au/La1-xSrxCr1-yNiyO3-&delta; toward Oxidative Coupling of Methane for C2 and C3 Hydrocarbons Production

Hatairat Worraphon; Wisitsree Wiyaratn; Suttichai Assabumrungrat; Navadol Laosiripojana

doi:10.4186/ej.2014.18.4.1

Reactivity of Au/La1-xSrxCr1-yNiyO3-δ toward Oxidative Coupling of Methane for C2 and C3 Hydrocarbons Production

Authors

Hatairat Worraphon King Mongkut's University of Technology Thonburi
Wisitsree Wiyaratn King Mongkut's University of Technology Thonburi
Suttichai Assabumrungrat Chulalongkorn University
Navadol Laosiripojana King Mongkut's University of Technology Thonburi

DOI:

https://doi.org/10.4186/ej.2014.18.4.1

Keywords:

LSCN Perovskite, Gold, Oxidative coupling of methane.

Abstract

La_0.8Sr_0.2Cr_0.9Ni_0.1O₃ (LSCN) perovskite was calcined in hydrogen atmosphere (LSCN-H2) that provides better activity than LSCN-air. The doping of Au (as Au/LSCN-H2) improved the catalyst stability toward oxidativecoupling of methane (OCM) reaction by increasing the resistance of carbon formation on catalyst surface during the reaction. The suitable CH₄:O₂ ratio appeared to be 2:1, from which 5.8%, 29.9%, 8.1%, and 5.8% of C₂H₄, C₂H₆, C₃H₆, and C₃H₈ can be produced respectively. Importantly, the addition of CO₂ can significantly promote the yield of C₃H₈ produced, from which the suitable CO₂:CH₄ ratio was observed to be 1:2 (with or without O₂ presenting).

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Author Biographies

Hatairat Worraphon
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The Joint Graduate School of Energy and Environment, CHE Center for Energy Technology and Environment, King Mongkut's University of Technology Thonburi, Bangkok 10140, Thailand

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

Suttichai Assabumrungrat
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Centre of Excellence in Catalysis and Catalytic Reaction Engineering, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand

Navadol Laosiripojana
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The Joint Graduate School of Energy and Environment, CHE Center for Energy Technology and Environment, King Mongkut's University of Technology Thonburi, Bangkok 10140, Thailand

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Published In

Vol 18 No 4, Oct 16, 2014

How to Cite

[1]

H. Worraphon, W. Wiyaratn, S. Assabumrungrat, and N. Laosiripojana, “Reactivity of Au/La1-xSrxCr1-yNiyO3-δ toward Oxidative Coupling of Methane for C2 and C3 Hydrocarbons Production”, Eng. J., vol. 18, no. 4, pp. 1-12, Oct. 2014.

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