Magnetically stabilized sliding arc discharge and its conversion to CO2 process
Conversion and reuse of CO2 is an important strategy to address carbon emissions,as a type of non-thermal plasma,sliding arc plasma is ideally suited for CO2 decomposition applications.In this paper,a magnetically stabilized sliding arc discharge device is investigated for the conversion of CO2 to produce CO and O2.We have systematically studied the discharge morphology and electrical characteristics of the magnetically stabilized sliding arc,as well as the effect of the applied magnetic field on the reaction conversion rate.The results show that the applied magnetic field leads to a higher CO2 conversion rate compared to the conventional sliding arc system.By further varying the flow rate,we found that at a flow rate of 1.5 L/min,the CO2 conversion was 6.34%and the energy efficiency was 30.51%;at 0.5 L/min,the CO2 conversion could reach 13.23%and the energy efficiency was 20.29%.In the end,we compare the reaction results with other plasma systems to demonstrate the superiority of the magnetically stabilized sliding arc.
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