关键词: 2,2′-二氯氢化偶氮苯, 离子交换膜, 电解还原, 活化条件

Abstract: Using an ion exchange membrane as a separator,the 2,2′-Dichlorohydrazobenzene is synthesized by the electrolytic reduction of o-chloronetrobenzene.The effects of electrode activation condition,current density,electrolyte temperature on electrolytic reduction are discussed.It was found that the optimum reaction temperature is 80 ℃.When the electrolyte concentration was 30% NaOH at the anode and 10% NaOH at the cathode,current density is 4.2A/dm2,the current efficiency reached 73% and yield is 83%.

Key words: 2,2′-Dichlorohydrazobenzene, ion exchange membrane, electrolytic reduction, activation condition