Abstract:

A new product called“chitosan”is used to remove copper(Ⅱ)from wastewater.The effectsof pH,the dosage of chitosan and copper(Ⅱ)concentration are studied.It shows that pH 5.5～ 6.5 is the optimal range of adsorption, when the concentration of copper(Ⅱ)is0.1×10Cu^-3mol/L, the dosage of 0.8 %chitosan is 0.4 mL,the adsorption time is 30 min,pH is 5.5～ 6.5,the adsorption rate can mostly reach 98.3%.

Key words: chitosan, adsorption, wastewater treatment, copper(Ⅱ)

摘要：

研究了壳聚糖对CuCu²⁺的吸附特性,考察了CuCu²⁺的浓度、壳聚糖用量、吸附时间以及体系pH等不同的吸附条件下,壳聚糖对废水中CuCu²⁺的吸附效果。当质量分数为0.8%的壳聚糖的用量为0.4mL,吸附时间为30min,pH为5.5～6.5时,对CuCu²⁺浓度为0.1×10Cu^-3mol/L的去除率可达98.3%。

关键词: 壳聚糖, 废水处理, 铜离子

CLC Number: 

• X703

• TQ424.3