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通过监测辉光放电产生过程中的电流、电压变化,对比分析特征电压随电解液电导率的变化,考察不同电极材料(铂、不锈钢、钨、钛)对接触辉光放电电解(CGDE)的影响.结果表明,电解液初始电导率为1.0-8.0m S/cm时,临界电压随电解液初始电导率的增大逐渐减小,最后趋于常数.电解液初始电导率为3.0 m S/cm、电极直径分别为0.5 mm铂丝、不锈钢丝、钨丝、钛丝时,辉光放电等离子体产生的临界电压分别为500、491、530和540 V.同时考察了电极材料对CGDE产生过氧化氢和降解酸性橙的影响,并对其能量效率进行对比分析.
The effect of different electrode materials (platinum, stainless steel, tungsten and titanium) on the contact glow discharge electrolysis (CGDE) was investigated by monitoring the change of current and voltage during the glow discharge and comparing the characteristic voltage with the conductivity of the electrolyte The results show that the critical voltage decreases with the initial conductivity of 1.0-8.0 m S / cm and finally decreases to a constant value.The initial conductivity of the electrolyte is 3.0 m S / cm , And the electrode diameters are 0.5mm platinum wire, stainless steel wire, tungsten wire and titanium wire respectively, the critical voltages generated by glow discharge plasma are 500, 491, 530 and 540 V. At the same time, Hydrogen and degradation of acid orange, and its energy efficiency comparative analysis.