摘要
以一缩二乙二醇双环氧丙基醚为交联剂,合成了以壳聚糖为母体的凝胶型螯合树脂,并研究了其对金属离子Cu(Ⅱ)、Ni(Ⅱ)、Co(Ⅱ)的吸附性能。结果表明,该树脂能在Cu(Ⅱ)、Ni(Ⅱ)、Co(Ⅱ)三种离子共存时,选择吸附Cu(Ⅱ)离子,其选择性系数分别为KCu(Ⅱ)/Ni(Ⅱ)=6.28和KCu(Ⅱ)/Co(Ⅱ)=4.23。
Gel chelating resin based on chitosan was synthesized by using diethylene glycol bisglycidyl ether(DGBE)as cross linking agent,and its adsorption properties for metal ions(Cu2+ ,Ni2+ ,Co2+)were studied. The results show that the above resin has an adsorption selectivity to Cu( Ⅱ )when Cu( Ⅱ ) ,Ni ( Ⅱ ) and Co ( Ⅱ ) are present simultaneously in the solution, the coefficients of selectivity are KCu( Ⅱ )/Ni( Ⅱ ) = 6. 28 and KCu( Ⅱ )/Ni( Ⅱ ) = 4. 23 respectively.
出处
《天然产物研究与开发》
CAS
CSCD
1996年第2期49-53,共5页
Natural Product Research and Development
关键词
吸附剂
天然高分子
壳聚糖
制备
Natrual macromolecule,chitosan,adsorption ,preparation,Copper(Ⅱ)ion
