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CMC-Na/DETA-B62型蛇笼树脂对金属离子的吸附性能
引用本文:黄海兰,徐波,曲荣君.CMC-Na/DETA-B62型蛇笼树脂对金属离子的吸附性能[J].离子交换与吸附,2002,18(3):217-222.
作者姓名:黄海兰  徐波  曲荣君
作者单位:1. 青岛大学师范学院化学系,青岛,266071
2. 天津大学材料科学与工程学院,天津,370002;烟台师范学院化学系,烟台,264025
基金项目:山东省自然科学基金 (Q99B15)
摘    要:本文研究了自合成的蛇笼型螯合树脂-二乙烯三胺交联甘油环氧树脂/羰甲基纤维素体系对Cd^2 ,Pb^2 ,Fe^2 的吸附量,吸附动力学,等温吸附过程等静态吸附性能,同时研究了pH值等因素对吸附性能的影响。实验结果表明,该树脂对Cd^2 具有较强的吸附选择性,能在Cd^2 ,Pb^2 ,Fe^2 3种离子共存时选择吸附Cd^2 ,其选择性系数分别为Kcd^2 /pb^2 =3.77,Kcd^2 /Fe^2 =9.61。该树脂对上述3种离子的吸附量可分别达4.00,1.06,0.42mmol/g。该类树脂可用于含重金属离子污水的处理和金属离子的分离等方面。

关 键 词:污水处理  镉(Ⅱ)  铅(Ⅱ)  铁(Ⅱ)  CMC-Na/DETA-B62型蛇笼树脂  金属离子  吸附性能
文章编号:1001-5493(2002)03-0217-06
修稿时间:2001年12月20

ADSORPTION PROPERTIES FOR METAL IONS OF SNAKE-CAGE TYPE CHELATING RESIN
HUANG Hailan,XU Bo,QU Rongjun.ADSORPTION PROPERTIES FOR METAL IONS OF SNAKE-CAGE TYPE CHELATING RESIN[J].Ion Exchange and Adsorption,2002,18(3):217-222.
Authors:HUANG Hailan  XU Bo  QU Rongjun
Institution:HUANG Hailan1 XU Bo1 QU Rongjun2 1 Department of Chemistry of Normal College,Qingdao University,Qingdao 266071 2 School of Material Science & Engineering,Tianjin University,Tianjin 370002
Abstract:The CMC-Na/DETA-B62 snake-cage type chelating resin was prepared, and its static adsorption properties for metal ions (Cd , Pb , Fe) such as capacities, kinetics and isotherm have been studied. The influence of pH value on the adsorption has also been studied. The experimental results show this resin is high selective for adsorption of Cd2+ in the present of Pb2+, Fe2+. The selective coefficients are K Cd2+/ Pb2+=3.77, K Cd2+/ Fe2+=9.61; their adsorption capacities are 4.00mmol/g resin, 1.06mmol/g resin, and 0.42mmol/g resin respectively. The resin may widely be used in the treatments of industrial sewage contained heavy metal ions and metal ions separation.
Keywords:Snake-cage type chelating resin  Adsorption  Cd2+  Pb2+  Fe2+  
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