天津工业大学学报2016，Vol.35Issue(3)：16-20,5.DOI:10.3969/j.issn.1671-024x.2016.03.004
壳聚糖对重金属离子的吸附性能
Adsorption of heavy metal ions by chitosan
摘要
Abstract
The adsorption of Cu2+, Ni2+, Co2+by chitosan was studied, and the influences of adsorption time and addition amount of chitosan on adsorption capacity was discussed. The result shows that when the amount of chitosan is 1.5 g, and metal salt solution is 50 mL of the 25 g/L, the removal rate can reach maximum. Moreover, the removal rate increased linearly before 10 min, and tended to the balance after 20 min. Compared the adsorption characteristic of Cu2+, Ni2+, Co2+with chitosan, zeolite, activated carbon and diatomite, the removal rate of chitosan for Cu2+, Ni2+, Co2+is 73.99%, 69.38%!and 65.51%!respectively, without selectivity, which is much higher than that of zeolite, activated carbon and diatomite. It is proved that there is a huge advantage of chitosan on the adsorption of Cu2+, Ni2+, Co2+compared with zeolite, activated carbon and diatomite by using adsorption dynamics.关键词
壳聚糖/吸附性/重金属离子/吸附动力学Key words
chitosan/adsorbability/heavy metal ions/adsorption kinetics分类
轻工纺织引用本文复制引用
张毅,张转玲,黎淑婷,刘叶,张昊..壳聚糖对重金属离子的吸附性能[J].天津工业大学学报,2016,35(3):16-20,5.基金项目
国家级现代农业产业技术体系专项项目 （）
