PMBP缩2-氨基苯并噻唑席夫碱/离子液体双水相体系萃取废水中重金属离子的研究  

Study on the extraction of heavy metal ions with Schiff base derived from PMBP-2-aminobenzothiazole/ionic liquid binary-water phase system

作　　者：陈莉莉[1,2] 邱祖民[1] 黄金莲[2] 徐礼峰[2] 

机构地区：[1]江西省南昌大学环境科学与工程学院,江西南昌330031 [2]江西师范大学化学化工学院,江西南昌330022

出　　处：《冶金分析》2010年第5期33-37,共5页Metallurgical Analysis

摘　　要：合成了新型萃取剂1-苯基-3-甲基-4-苯甲酰基-吡唑啉酮-5缩2-氨基苯并噻唑席夫碱(PMBP-2-ABT),并以其为萃取剂,建立了一种用PMBP-2-ABT/离子液体双水相体系萃取重金属离子的新方法。考察了影响萃取效果的各种因素,如金属离子种类、pH值、萃取剂浓度等。结果表明:该萃取体系对重金属离子的萃取能力由强到弱的顺序为:Cu2+、Pb2+、Co2+、Ni2+、Zn2+;离子液体双水相体系中PMBP-2-ABT是萃取重金属离子的良好萃取剂。A novel Schiff base extracting agent（PMBP-2-ABT） was synthesized from 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone（PMBP） and 2-amino-benzothiazole（2-ABT）.A new method was established for the extraction of heavy ions by PMBP-2-ABT/ionic liquid binary-water phase system.Various factors influencing the extraction results were investigated,including the category of heavy metal ion,pH and the concentration of extracting agent.The results showed that the descending order of the extraction of heavy metal ions in this system was as follows： Cu^2＋,Pb^2＋,Co^2＋,Ni^2＋ and Zn^2＋.In ionic liquid binary-water phase system,PMBP-2-ABT was an excellent extracting agent for heavy metal ions.

关 键 词：离子液体 1-苯基-3-甲基-4-苯甲酰基-吡唑啉酮-5缩2-氨基苯并噻唑席夫碱(PMBP-2-ABT) 重金属离子 双水相 

分 类 号：X703.1[环境科学与工程—环境工程]