pH Amount of metal ion adsorbed (mg/g), qe Amount of metal ion adsorbed (mg/g), Amount of metal ion adsorbed (mg/g), qe
  Ni(II) Cu(II) Zn(II)
2 0.082 0.078 0.085
3 0.082 0.080 0.085
4 0.084 0.082 0.086
5 0.084 0.083 0.083
6 0.079 0.076 0.083
7 0.079 0.076 0.082
8 0.078 0.075 0.082
9 0.078 0.074 0.081
Mass of biomass 2.5mg, time 50 minutes, temperature 25°C, pH5.0, concentration, 10mg/1, volume 50ml)
Table 4: Effect of ph on metal-ion removal.