Removal of Ni(II) from Aqueous Solution using Tamarindus indica fruit shell substrate

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Tamarindus indica fruit shell substrate was found to have good sorption capacity for Ni(II). Studies indicated that the sorption of Ni(II) increases with the increase in pH and the contact time 90 minute was found to be optimun. The effect of concentration shows that, the sorption are decreases with increase in concentration of metal ion. The presence of Na+, Ca+2 and Mg+2 interfered with the adsorption of Ni(II).

Nickel(II); Tamarindus indica; fruit shell; substrate