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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.137 SNIP: 0.341 CiteScore™: 0.43

ISSN Imprimir: 1093-3611
ISSN On-line: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v6.i3.50
4 pages

DECOMPOSITION OF FREONS IN ATMOSPHERIC-PRESSURE AIR USING COAXIAL-LINE-BASED LOW-POWER MICROWAVE TORCH PLASMA

Mariusz Jasinski
Centre of Plasma and Laser Engineering, Institute of Fluid Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-231 Gdansk, Poland
Jerzy Mizeraczyk
Centre of Plasma and Laser Engineering, Institute of Fluid Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-231 Gdansk, Poland
Zenon Zakrzewski
Centre of Plasma and Laser Engineering, Institute of Fluid Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-231 Gdansk, Poland

RESUMO

Results of the attempts of decomposition of freons, CFC-11 (CCl3F), CFC-12 (CCl2F2), HCFC-22 (CHClF2) and HFC-134a (C2H2F4) in atmospheric-pressure flowing air using a coaxial-line-based tow-power (∼100 W) microwave torch plasma are presented. Concentrations of the freons in the air were up to 8 %. The gas flow rate and microwave power delivered to the discharge were 1 l/min and 100 W, respectively. The results showed that the tow-power microwave torch plasma completely decomposed the freons, proving to be a useful tool for decomposition of highly-concentrated freons.


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