文献类型：期刊文献

英文题名：Optimal ternary extractant for phenol removal from wastewater: Modeling and application

作者：Yang, Xiaoyong[1];Bai, Zhishan[1];Wang, Bingjie[1];Jie, Fengping[1]

机构：[1]East China Univ Sci & Technol, Sch Mech & Power Engn, State Environm Protect Key Lab Environm Risk Asse, Shanghai, Peoples R China

年份：2019

卷号：54

期号：1

起止页码：69

外文期刊名：SEPARATION SCIENCE AND TECHNOLOGY

收录：;EI(收录号：20184806155808);WOS:【SCI-EXPANDED(收录号:WOS:000458321300007)】；

基金：We acknowledge the support by National Basic Research Program of China (973 Program, 2014CB748500) and National Natural Science Foundation of China (51578239, 51322805).

语种：英文

外文关键词：Phenol wastewater; extraction; ternary extractant; salt concentration; response surface methodology

摘要：Phenols are common pollutants in many industrial wastewaters, posing tremendous harm to ecosystem. In this work, ternary extractant, containing tributyl phosphate/n-octanol/cyclohexane, was utilized to achieve the purpose of liquid-liquid extraction from phenol-bearing aqueous samples. Besides, respond surface methodology was employed to evaluate and further optimize the proportion of components. FT-IR spectroscopy results have demonstrated that the hydrogen bonding between tributyl phosphate and phenol make a great contribution to the extraction performance. At the optimized condition, the distribution coefficient could reach 622.1, whilst the residual Chemical Oxygen Demand of extractant is less than 77.4 mg/L. Eventually, an ultra-high extraction efficiency, up to 99.7%, was also proven for actual wastewater from coal tar processing.