Removal of Heavy Metals from Multicomponent Metal Mixtures by Polymer Enhanced Ultrafiltration: Effects of pH, Ionic Strength and Conformational Changes in Polymer Structure

被引：25
|
作者：
Kadioglu, Sezin Islamoglu [1 ]
Yilmaz, Levent [1 ]
Aydogan, Nihal [2 ]
Ozbelge, H. Onder [1 ]
机构：
[1] Middle E Tech Univ, Dept Chem Engn, TR-06531 Ankara, Turkey
[2] Hacettepe Univ, Dept Chem Engn, TR-06532 Ankara, Turkey
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2010年 / 45卷 / 10期
关键词：
heavy metal; light scattering; polyethyleneimine; polymer; ultra filtration; zinc; WATER-SOLUBLE POLYMERS; AQUEOUS-SOLUTIONS; POLYELECTROLYTE SOLUTIONS; SELECTIVE SEPARATION; RETENTION PROPERTIES; LIGHT-SCATTERING; COMPLEXATION; RECOVERY; BEHAVIOR; CONJUNCTION;
D O I：
10.1080/01496391003674274
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Fractional separation of industrially important heavy metals (cadmium, nickel, zinc) from binary and ternary metal mixtures by continuous mode polymer enhanced ultrafiltration was studied. Polyethyleneimine (PEI) was used as a complexation polymer. Effects of pH and ionic strength on process efficiency were investigated. To gain insight about the characteristics of binding between highly branched PEI and metal ions and effect of salt concentration on this binding were investigated by performing dynamic and static light scattering measurements. It was observed that with optimum pH and salt concentration, fractional separation of metals can be achieved.
引用
收藏
页码：1363 / 1373
页数：11
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