Reactive Extraction of o-Aminophenol Using Trialkylphosphine Oxide  

作　　者：李德亮 刘小强 崔节虎 

机构地区：[1]Chemistry and Chemical Engineering College, Henan University, Kaifeng 475001, China

出　　处：《Chinese Journal of Chemical Engineering》2006年第1期46-50,共5页中国化学工程学报（英文版）

基　　金：Supported by the Educational Department of Henan Province (No.2004530001).

摘　　要：Extraction of o-aminophenol (OAP) using trialkylphosphine oxide (TRPO) was studied with different diluents. The neutral OAP was extracted using TRPO under an equilibrium pH in the range of 6—7.5, and a maximum distribution coefficient occurred. It was confirmed that the pH value and the TRPO concentration are the key factors that affect dis-tribution coefficient. Nonpolar diluents could provide better extraction distribution coefficient for the extraction of OAP and the order is: kerosene >n-octanol >chloroform.Extraction of o-aminophenol （OAP） using trialkylphosphine oxide （TRPO） was studied with different diluents The neutral OAP was extracted using TRPO under an equilibrium pH in the range of 6-7.5, and a maximum distribution coefficient occurred. It was confirmed that the pH value and the TRPO concentration are the key factors that affect distribution coefficient. Nonpolar diluents could provide better extraction distribution coefficient for the extraction of OAP and the order is： kerosene 〉n-octanol 〉chloroform.

关 键 词：reactive extraction O-AMINOPHENOL trialkylphosphine oxide DILUENT 

分 类 号：TQ464.7[化学工程—制药化工]