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苯酚羟化液萃取脱水的液液相平衡数据的测定
Determination of Liquid-Liquid Phase Equilibrium Data in the Extraction Process of the Phenol Hydroxylation Products
【摘要】 本文研究了异丙醚和甲基异丁基甲酮作为苯酚羟化液萃取脱水剂在20℃时的液-液相平衡关系。采用浊度法和色谱法相结合的策略测定了体系的相平衡曲线,并绘制了三元相图。从三元相图的平衡曲线看,所用萃取剂具有较好的萃取性能。
【Abstract】 The liquid-liquid phase equilibrium system in the dehydration of the phenol hydroxylation at 20℃ was studied,the extractants were isopropyl ether and 4-methyl-2-pentanone.The phase equilibrium curves of the system were determined by the turbidity and chromatogram method.The ternary phase equilibrium charts showed that the chosen extractants were efficient and practicable.
【关键词】 邻苯二酚;
对苯二酚;
萃取;
相平衡;
异丙醚;
甲基异丁基甲酮;
【Key words】 pyrocatechol; hydroquinone; extraction; phase equilibrium; isopropyl ether; 4-methyl-2-pentanone;
【Key words】 pyrocatechol; hydroquinone; extraction; phase equilibrium; isopropyl ether; 4-methyl-2-pentanone;
- 【文献出处】 化学工业与工程 ,Chemical Industry and Engineering , 编辑部邮箱 ,2004年02期
- 【分类号】O642
- 【被引频次】3
- 【下载频次】171