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科技导报  2014 

Mg/Al水滑石对铜绿微囊藻的去除性能

DOI: 10.3981/j.issn.1000-7857.2014.25.005, PP. 36-39

Keywords: 水滑石,铜绿微囊藻,吸附

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Abstract:

目前用于除藻的黏土矿物表面带负电荷,需通过改性提高黏土矿物的除藻能力,而改性材料会导致成本增加、产生二次污染等,因此研究了直接用表面带正电荷的黏土矿物进行除藻的可行性。通过共沉淀法制备Mg/Al水滑石,并用其进行去除铜绿微囊藻的实验研究,探究了吸附剂用量、搅拌时间、铜绿微囊藻初始浓度以及pH值对Mg/Al水滑石去除铜绿微囊藻的影响。结果表明,吸附剂用量为1g/L、搅拌1.5h、pH=6~11是Mg/Al水滑石除藻的最佳条件;Mg/Al水滑石对质量浓度为0.5~3.0mg/L的铜绿微囊藻具有较高的去除率。

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