Fig. 7From: Bioremediation of Cu(II) contaminated water by Saccharum officinarum: effect of oxalic acid modification on equilibrium, kinetic and thermodynamic parametersEffect of initial concentration on removal of Cu2+ from aqeous solution (a) Oxalic acid modified and (b) Raw biosorbent. Condition: Biosorbent dosage = 0.2 g, pH = 6 Temperature = 30 °CBack to article page