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The effect of ultraviolet lasers on conversion of methane into higher hydrocarbons

Published online by Cambridge University Press:  08 July 2013

H.A. Navid ,
E. Irani  and
R. Sadighi-Bonabi
H.A. Navid
Affiliation:
Departments of Physics, Sharif University of Technology, Tehran, Iran
E. Irani
Affiliation:
Departments of Physics, Sharif University of Technology, Tehran, Iran
R. Sadighi-Bonabi*
Affiliation:
Departments of Physics, Sharif University of Technology, Tehran, Iran
*
Address correspondence and reprint requests to: R. Sadighi-Bonabi, Departments of Physics, Sharif University of Technology, Tehran, Iran. E-mail: sadighi@sharif.ir
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Abstract

Conversion of CH4 molecule into higher hydrocarbons using two different wavelengths of 248 nm KrF laser and 355 nm of third harmonic of Nd:YAG laser is studied experimentally and theoretically. The stable products are analyzed and the effect of pressure on conversion of methane is measured. The detected reaction products are C2H2, C2H4, and C2H6. The conversion efficiency of 33.5% for 355 nm in comparison to 2.2% conversion for 248 nm for C2H2 is achieved. The potential of laser parameters as an important variable in controlling of final products is investigated.

Keywords

Dissociation of methaneHigher hydrocarbonsMulti-photon processUV lasers
Type
Research Article
Information
Laser and Particle Beams , Volume 31 , Issue 3 , September 2013 , pp. 481 - 486
Copyright
Copyright © Cambridge University Press 2013 

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