Presentation Information
[23p-P05-51]Decomposition of carbon dioxide by high-frequency vacuum plasma
〇(M1)Kotaro Ochiai1,2, Hiroshi Okawa1 (1.HSU, 2.Tsukamoto CO., Ltd)
Keywords:
carbon dioxide,methanation
The production rate of CO decomposed from CO2gas by high-frequency plasma was investigated: a glass tube sealed at both ends with SUS flanges was evacuated, and CO2 gas flowed into the tube; under a pressure of 8 to 150 Pa, the tube was discharged at 100 W using a 13.56 MHz high frequency power supply. The CO component produced was measured with a quadrupole mass spectrometer. Similarly, the formation of methane by mixing hydrogen (CO2:H2 = 1:5) was also investigated. The results showed that the rate of production to CO decreased with increasing pressure. In addition, the formation of methane by mixing hydrogen was not confirmed.