摘要
文章以钕离子为模板、戊二醛为交联剂，合成了钕模板交联壳聚糖；考察了pH值、吸附时间、Nd（Ⅲ）初始质量浓度对钕模板交联壳聚糖吸附性能的影响，得到钕模板交联壳聚糖吸附Nd（Ⅲ）的最佳条件为：pH值为6～8，Nd（Ⅲ）的质量浓度为57．14mg／L，吸附时间为2h。在此条件下模板交联壳聚糖对Nd（Ⅲ）的吸附容量为41．09mg／g。实验研究进一步得出Nd（Ⅲ）在模板交联壳聚糖上的吸附等温线符合Freundlich等温式，吸附动力学符合Lagergren动力学模型。
In this paper, the cross-linked chitosan with Nd（Ⅲ ） template was synthesized by using Nd （Ⅲ） as template, glutaraldehyde as crosslinking agent. The influence of pH value, adsorption time and initial concentration of Nd（ Ⅲ ） on the adsorption properties of cross-linked chitosan with Nd（Ⅲ） template was also studied. Then the best adsorption conditions are obtained, pH value is from 6 to 8, the concentration of Nd（ Ⅲ） is 57. 14 mg/L and the time of adsorption is 2 h. Under these conditions, the adsorption capacity of Nd（ Ⅲ ） is 41.09 mg/g. And the adsorption isotherm accords with Freundlich isotherm formula, so does the adsorption kinetics with Lagergren kinetic model.
出处
《合肥工业大学学报（自然科学版）》
CAS
CSCD
北大核心
2011年第1期137-140,共4页
Journal of Hefei University of Technology：Natural Science
基金
国家自然科学基金资助项目(20677058)
关键词
壳聚糖
交联
钕模板
吸附性能
chitosan crosslinking Nd template
adsorption property
