35 of adsorption up to 3.5 Mpa. Data of adsorption isotherm is adsorption capacity of carbon dioxide and methane on activated carbon with pressure and isotherms temperature variation. Data of adsorption capacity was plotted on pressure and adsorption capacity. From the research, adsorption capacity of commercial activated carbon is higher than Activated carbon from East of Kalimantan and Riau coal. It is caused; the surface area and pore volume of commercial activated carbon is higher than East of Kalimantan and Riau coal. The maximum adsorption capacity of CO2 on commercial activated carbon is 0.349 kg/kg at isotherm temperature 27o C and the pressure is 3384.69 kPa. For activated carbon from East of Kalimantan, the maximum adsorption capacity of CO2 is 0.227 kg/kg at isotherm temperature 27o C and the pressure is 3469.27 kPa. For activated carbon from Riau, the maximum adsorption capacity of CO2 is 0.115 kg/kg at isotherm temperature 27o C and the pressure is 3418.87 kPa. The maximum adsorption capacity of CH4 on commercial activated carbon is 0.0589 kg/kg at isotherm temperature 27o C and the pressure is 3457.2 kPa. For activated carbon from East of Kalimantan, the maximum adsorption capacity of CH4 is 0.0532 kg/kg at isotherm temperature 27o C and the pressure is 3495.75 kPa. For activated carbon from Riau, the maximum adsorption
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