Heavy metals (μg/L)
Landfill leachate
Before treatment
After treatment
% Removal
Copper (Cu)
<1
<1
–
Chromium (Cr)
20
6
70
Lead (Pb)
<10
<10
–
Nickel (Ni)
30
10
66
Zinc (Zn)
<2
<2
–
Table 2:
Percent removal of heavy metal from Leachates by Chlorella
