摘要
制备了Schiff碱功能化镉离子印迹材料,并研究了其对Cd(Ⅱ)离子的选择性吸附性能。利用水热法制备了Schiff碱功能化镉离子印迹材料,采用静态法测量了相关的吸附数据。结果表明:Schiff碱功能化镉离子印迹材料对Cd(Ⅱ)离子的吸附容量为48.5 mg/g,吸附平衡20 min完成,最佳p H值范围为4~8,且Schiff碱功能化镉离子印迹材料对Cd(Ⅱ)离子选择性好。Schiff碱功能化镉离子印迹材料对Cd(Ⅱ)离子的吸附具有高选择性,吸附速率快,且吸附容量较高等特点。
Schiff alkali functionalized Cd(Ⅱ)-imprinted sorbent was prepared by the hydrothermal method, and the adsorption of Cd(Ⅱ) ions onto the sorbent was investigated by determining the adsorption data with the static method. The adsorption capacity of the Schiff alkali functionalized Cd(Ⅱ)-imprinted sorbent for Cd(Ⅱ) was found to be 48.5 mg/g. The adsorption reached the equilibrium within 20 min and the suitable pH was in the range of 4~8. the Schiff alkali functionalized Cd(Ⅱ)-imprinted sorbent showed good selectivity of Cd(Ⅱ) ions and high adsorption capacity.
引文
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