以精选的磁铁矿粉末为原料 ,制备磁铁矿块状多孔电极用于电解制备高铁酸盐 .所用磁铁矿多孔电极在经过阴极极化等一系列预处理过程 ,在 16 mol· L- 1 Na OH溶液中表现出了很高的电流效率 .在这一电解液中 ,通过对阳极电流密度、高铁酸盐的生成速率、电流效率、槽内电解温度等影响因素的研究 ,找到了较为适宜的电解条件 :J=3.3m A· cm- 2 ,30℃ ,16 mol· L- 1 Na OH溶液 . The selected magnetite powder as raw material, the preparation of magnetite porous electrode for the preparation of ferrate electrolysis using magnetite porous electrode after a series of cathodic polarization pretreatment process, at 16 mol · L - 1 Na OH solution showed a high current efficiency in this electrolyte, through the anode current density, the rate of formation of ferrate, current efficiency, electrolysis temperature tank and other influencing factors to find the More suitable electrolysis conditions: J = 3.3m A · cm-2, 30 ℃, 16mol · L-1 NaOH solution.