The adsorption performances of four adsorbents,CAS,DTCS,CTS and DTC-CTS for heavy metals(Cu,Pb,Zn) are investigated,and the selectivity of adsorbents for heavy metal ions is determined by isothermal adsorption equations.

• 研究氨基淀粉(CAS)、二硫代氨基改性淀粉(DTCS)、壳聚糖(CTS)、二硫代氨基改性壳聚糖(DTC-CTS)4种吸附剂对铜、铅、锌3种重金属离子的吸附性能,应用吸附等温式考察4种吸附剂对重金属的吸附选择性。