金属元素

处理前/(ug∙L−1)

处理后/(ug∙L−1)

去除率/%

Cr

215.57

197.36

8.4

Ni

216.98

203.89

6.0

As

337.48

248.59

26.3

Cd

3.84

3.12

18.7

Pb

4.79

2.05

57.2