Adsorption of Copper Metal Ions from aqueous Solution Using Rice Husk and Groundnut Shell

The pollution of water resources due to the disposal of heavy metal ions has been an increasing worldwide concern for the last few decades. Batch experiments were conducted to know the influence of various parameters of adsorption on removal of Copper metal ions by agricultural byproducts (Groundnut shell, Rice husk and combined adsorbents). It has been found that the percentage of adsorption increases with increase in pH and decreases with the increase in metal ions concentration. Equilibrium time required for the adsorption of Copper metal ions by agricultural byproducts was found to be 2 hrs. The obtained results show that the adsorption of Copper by Rice husk and Groundnut shell are of second order.