In this study the efficiency of activated carbon produced from rice husk (RHAC) was studied to remove of Cu2+ & Fe3+ions from waste oil water which comes out from the oil industry in Basrah city, and the efficiency of RHAC has been compared with efficiency of raw rice husk(RH) and commercial activated carbon(CAC). The effects of operating parameters were studied such as (contact time, adsorbent size, adsorbent dose, initial concentration of adsorbate, temperature, pH and rotation speed). The adsorption efficiency is arranged by (RHAC > CAC >RH) which removed 96.588, 92.9, 69.3% of Cu2+ ions, and 94.54, 92.23, 72.66% of Fe3+ ions onto RHAC, CAC & RH, respectively. The FTIR results showed that a different in functional groups was scattered in surface of adsorbent material, that causing the different in adsorption efficiencies of heavy metal ions.
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