This research investigated carbon activation by physical and chemical treatments in order to increase the CO2 adsorption efficiency by using experimental rig of single and multi fixed bed column. Physical treatment AC production was prepared by the carbonization of palm oil shell at temperature of 600 ◦C. Produced AC was fixed at similar weight of 15g for single and multi bed column which divided to three layers. Inlet CO2 gas is constantly flow at 0.3 liter per minute and discharged CO2 concentration is measured directly by using a gas analyzer within 50 minutes. Adsorption and desorption data were analysed by calculating the area under the graph by using Simpson’s Rule method. The removal of CO2 in multi fixed bed column is higher compared to single fixed bed column with 31.47% of increase performance. AC from initial production is treated chemically with Acetone followed by Benzene for 6 and 24 hours respectively. Then, it was taken to soak with several solvents separately for 24 hours. On top of that, the initial AC was soaked with Hydrogen Peroxide which also for 24 hours. All samples were dried well after each solvent immersion. Result shows that, AC from the chemical treatment is more efficient after washing it by distilled water. Adsorption on AC sample presents that AC treated by Acetone, Benzene and Acetonitrile >Hydrogen Peroxide >Acetone, Benzene and Cyclohexane >Physical activation carbon >Acetone and Benzene >Acetone, Benzene and Dimethyl Sulfoxide which are 87.24%, 86.06%, 80.16%, 78.82%, 68.85% and 48.27% of increase performance respectively.

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