研究了在固定床电化学反应器内硝基苯电化学还原制备对氨基苯酚的过程。
The process, electrochemical reduction of nitrobenzene to produce p-amino-phenol in a packed bed electrochemical reactor, is investigated.
结果表明直接和间接电还原硝基苯为对氨基苯酚都有重要的实用价值，成对电解也是可行的。
The results showed that both of direct and indirect electrolytic reduction of nitrobenzene top -aminophenol had important practical value, and the couple electrolytic synthesis was feasible.
结合硝基苯电解还原制对氨基苯酚这一过程，在实验室小试及工厂中试的基础上，讨论了该类阳极加工、维护及操作等问题。
On the basis of laboratory scale work and pilot experiment for electrochemical reduction of NB to PAP, the shape, maintenance and operation of such anode are discussed.
以苯并恶唑酮为原料，经混酸硝化、加压水解两步反应合成了2-氨基-5-硝基苯酚，总收率达70％以上。
The other intermediate of dyes, 2-amino-5-nitrophenol, was prepared by nitration and hydrolyze starting from benzooxozolenone. The total yield is over 70% and the purity 98.8% by the analysis of HPLC.
以苯并恶唑酮为原料，经混酸硝化、加压水解两步反应合成了2-氨基-5-硝基苯酚，总收率达70％以上。
The other intermediate of dyes, 2-amino-5-nitrophenol, was prepared by nitration and hydrolyze starting from benzooxozolenone. The total yield is over 70% and the purity 98.8% by the analysis of HPLC.
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