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Type: Journal article
Title: Plasma nitrogen oxides synthesis in a milli-scale gliding arc reactor: investigating the electrical and process parameters
Author: Patil, B.S.
Rovira Palau, J.
Hessel, V.
Lang, J.
Wang, Q.
Citation: Plasma Chemistry and Plasma Processing, 2016; 36(1):241-257
Publisher: Springer Nature
Issue Date: 2016
ISSN: 0272-4324
Statement of
B.S. Patil, J. Rovira Palau, V. Hessel, Jürgen Lang, Q. Wang
Abstract: Nitrogen fixed in the form of nitrogen oxides is essential to produce fertilizers and many other chemical products, which is vital to sustain life. The performance of a milli-scale gliding arc reactor operated under atmospheric pressure has been studied for nitrogen oxides synthesis. In this work, the electrical and process parameters of the gliding arc reactor, such as frequency, pulse width, amplitude and feed ratio were investigated respectively. The experiments were performed at 1 L/min in a gliding arc discharge regime. The highest concentration of NOₓ was found to be ~1 % at energy consumption of 10 kWh/kg of NOₓ. Increase in frequency, pulse width and amplitude resulted in an increased specific energy input and NOₓ concentration. The feed ratio (N₂/O₂) affected the amount of NO and NO₂ produced, which gives possibility to independently obtain the desired ratio of NO/NO₂ by tuning the electrical and process parameters.
Keywords: Milli-scale gliding arc reactor; plasma NOₓ synthesis; specific energy input; nitrogen fixation; energy efficiency
Rights: © Springer Science+Business Media New York 2015
DOI: 10.1007/s11090-015-9671-4
Appears in Collections:Aurora harvest 4
Chemical Engineering publications

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