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首页> 外文期刊>Journal of Applied Electrochemistry >Electroreduction of nitrobenzene to p-aminophenol using voltammetric and semipilot scale preparative electrolysis techniques
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Electroreduction of nitrobenzene to p-aminophenol using voltammetric and semipilot scale preparative electrolysis techniques

机译:伏安法和半自动规模制备电解技术将硝基苯电还原为对氨基苯酚

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This paper describes an investigation of the reduction of nitrobenzene to p-aminophenol by the use of CV, RDE and preparative electrolysis with Cu and Cu(Hg) electrodes. The preparative electrolyses of nitrobenzene were carried out at controlled current and controlled potential conditions using copper and amalgamated copper using a new semipilot (laboratory) scale system in the absence of an organic cosolvent. The effects of redox reagents and the concentration of nitrobenzene in catholyte added to the medium were also examined. The best results were obtained with 2.3% BiCl3 at nitrobenzene concentration of 0.144 g cm(-)3 catholyte. The most suitable electrode material was found to be amalgamated copper and the reduction of nitrobenzene to p-aminophenol was found to follow an ECE mechanism. [References: 29]
机译:本文介绍了通过使用CV,RDE以及使用Cu和Cu(Hg)电极进行制备性电解将硝基苯还原为对氨基苯酚的研究。在不存在有机助溶剂的情况下,使用新的半自动(实验室)规模系统,在铜和汞齐铜的控制电流和控制电位条件下,进行硝基苯的制备性电解。还检查了氧化还原试剂和添加到培养基中的阴极电解液中硝基苯浓度的影响。在硝基苯浓度为0.144 g cm(-)3阴极电解液时,使用2.3%BiCl3可获得最佳结果。发现最合适的电极材料是汞齐合的铜,并且发现硝基苯还原为对氨基苯酚遵循ECE机理。 [参考:29]

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