Bulletin of the American Physical Society
75th Annual Gaseous Electronics Conference
Volume 67, Number 9
Monday–Friday, October 3–7, 2022;
Sendai International Center, Sendai, Japan
The session times in this program are intended for Japan Standard Time zone in Tokyo, Japan (GMT+9)
Session IR5: Plasma Liquid Interaction IV
4:00 PM–6:00 PM,
Thursday, October 6, 2022
Sendai International Center
Room: Sakura 2
Chair: Toshiro Kaneko, Tohoku University
Abstract: IR5.00004 : Continuous liquid treatment by high-density microwave plasma in flowing liquid
5:00 PM–5:30 PM
Presenter:
Haruka Suzuki
(Dept. of Electronics, Nagoya Univ., cLPS, Nagoya Univ.)
Authors:
Haruka Suzuki
(Dept. of Electronics, Nagoya Univ., cLPS, Nagoya Univ.)
Hirotaka Toyoda
(Dept. of Electronics, Nagoya Univ., cLPS, Nagoya Univ., NIFS)
In this study, the decomposition efficiency of organic matter in liquid is experimentally measured with respect to flow speed, and the effect of liquid flow speed on the interaction between high-density plasma and liquid is analytically evaluated. These results suggest that increasing the flow speed not only facilitates plasma generation due to reduced pressure by Venturi effect, but also allows reactive species to be efficiently utilized in the process. Based on these results, a novel plasma source is developed that can process large flow rate of 60 L/min while maintaining high flowing speed for large volume liquid process.
[1] R. Saito et al.: Curr. Appl. Phys. 11 (2011) S195-A198.
[2] M. Ito et al., Jpn. J. Appl. Phys., 56 (2017) 026201.
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