| Issue |
Eur. Phys. J. Appl. Phys.
Volume 61, Number 2, February 2013
Topical issue: 13th International Symposium on High Pressure Low Temperature Plasma Chemistry (Hakone XIII). Edited by Nicolas Gherardi, Henryca Danuta Stryczewska and Yvan Ségui
|
|
|---|---|---|
| Article Number | 24324 | |
| Number of page(s) | 7 | |
| Section | Plasma, Discharges and Processes | |
| DOI | https://doi.org/10.1051/epjap/2012120407 | |
| Published online | 15 February 2013 | |
https://doi.org/10.1051/epjap/2012120407
Decomposition of carbon tetrachloride in the reactor of dielectric barrier discharge with different power supplies *
1
Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warszawa, Poland
2
Faculty of Electrical Engineering, Warsaw University of Technology, Pl. Politechniki 1, 00-661 Warszawa, Poland
a e-mail: bulejczyk@ch.pw.edu.pl
Received:
28
September
2012
Revised:
30
October
2012
Accepted:
11
December
2012
Published online:
15
February
2013
The decomposition of CCl4 in air was investigated at atmospheric pressure in a new type of dielectric barrier discharge reactor. The reactor was powered by three different power supplies: pulsed of low frequency (150–600 Hz), pulsed of 15 kHz frequency with regulated current pulse duration and AC of 6.8 kHz frequency. Maximum conversion of CCl4 depended on the power supply. 64, 87 and 98% were the maximum achieved conversions of CCl4 for tested power supplies. The products of CCl4 conversion and energy consumption depended on power supply system. The chlorine gas was always the main product obtained from CCl4. The smallest energy consumption (~0.3 kWh per mol CCl4 converted) was achieved for pulsed power supply system of low frequency. It was 26 and 230 times less than energy consumption (for similar overall CCl4 conversion) in AC of 6.8 kHz frequency and pulsed of 15 kHz frequency respectively.
© EDP Sciences, 2013
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