期刊
IEEE TRANSACTIONS ON PLASMA SCIENCE
卷 39, 期 8, 页码 1684-1688出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPS.2011.2155103
关键词
Atmospheric pressure thermal plasma; nitrous oxide; plasma applications; waste gas treatment
资金
- New Energy and Industrial Technology Development Organization (NEDO) of Japan
In our research group, an atmospheric multigas inductively coupled plasma (ICP) source was developed for industrial plasma processing and elemental analysis. The plasma source can stably generate atmospheric thermal plasma not only by Ar but also by He, O(2), N(2), CO(2), air, and their mixture gas. In this paper, the plasma source was applied for anesthetic gas decomposition including N(2)O, which is a kind of global warming gases. Atmospheric thermal plasma was generated by mixture gas of N(2)O, O(2), and air. It corresponds to actual gas composition for up to three surgery exhaust. Spectroscopic characteristics of generated plasma and composition of treated gas were investigated. By using optimally shaped ICP torch, 99.9% of decomposition rate and 942 g/kWh of high energy efficiency were achieved. However, around 3% of NO(x) was generated as by-products due to high gas temperature.
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