Removal of Cd(II) from Aquatic System Using Oscillatoria sp. Biosorbent

Table 1

Effect of biomass pretreatments on biosorption of Cd(II) by Oscillatoria sp.

Pretreatment	mg Cd^2+ biosorbed/g dry biomass
Washing with double-distilled water (native)	11.67±0.43
Drying at 90°C for at least 12 h	13.89±0.36
HCl (0.1 N) treatment for 10 min	13.75±0.64
NaOH (0.1 N) treatment for 10 min	15.00±0.56
Incubation at 100°C in water bath for 10 min	16.67±0.47