Adsorption of Pb+2 and Zn+2 ions from oil wells onto activated carbon produced from rice husk in batch adsorption process

Abbas Sabah Thajeel, Mustafa M

Abstract

In this work, the adsorption of Pb+2& Zn+2 ions onto activated carbon produced from rice husk(RHAC) was studied, and the efficiency of RHAC has been compared with efficiency of raw rice husk(RH) and commercial activated carbon(CAC) for removal the heavy metal ions from waste oil water which comes out from the oil industry in basrah city. The effects of operating parameters were studied such as (contact time, adsorbent size, adsorbent dose, initial concentration of adsorbate, temperature, pH and rotation speed), and the optimum operating parameters in batch adsorption process were determined. At the optimum conditions the adsorption efficiency is arranged by (RHAC > CAC >RH) which removed 96.26, 95.71, 81.06% of Pb+2 ions, and 92.51, 83.32, 53.28% of Zn+2 ions