| 精制对氨基苯酚工艺路线的选择 |
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| 引用本文： | 张秋香,陈同芸,张平,谢佑国,史贤林. 精制对氨基苯酚工艺路线的选择[J]. 石油化工, 1996, 0(5) |
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| 作者姓名： | 张秋香 陈同芸 张平 谢佑国 史贤林 |
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| 作者单位： | 华东理工大学化学工程系 |
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| 摘 要： | 研究了多种精制对氨基苯酚的工艺路线，其中萃取杂质法分离与精制对氨基苯酚是一条简单有效的工艺路线。用此法精制得到的对氨基苯酚纯度≥９９．５％，关键致癌杂质４，４－二氨基二苯醚含量≤１０×１０－６，整个分离收率＞８５％，该工艺为我国工业化生产高纯对氨基苯酚提供了保证
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| 关 键 词： | 对氨基苯酚 4，4~，－二氨基二苯醚 萃取 |
A Process for Purifying p Aminophenol |
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| Zhang Qiuxiang,Chen Tongyun,Zhang Ping,Xie Youguo and Shi Xianlin. A Process for Purifying p Aminophenol[J]. Petrochemical Technology, 1996, 0(5) |
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| Authors: | Zhang Qiuxiang Chen Tongyun Zhang Ping Xie Youguo Shi Xianlin |
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| Abstract: | In this paper,several methods of purifying p aminophenol have been studied.The separation by solvent extraction is simple and effective,resulting in a purity of p aminophenol of over 99 5%.The concentration of the main carcinogenic impurity,4,4 diaminodiphenylether is less than 10×10 -6 .The total yield of the separation process is over 85%. |
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| Keywords: | p aminophenol 4 4 diaminodiphenylether extraction |
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