Has been successfully is made activated carbon of starting materials oil palm midrib with carbonization temperature variation of 400°C, 500°C and 600°C and each of held for 20, 40 and 60 minutes. Activation be physics conducted at a temperature of 900 ° C for 20, 40, and 60 minutes to draining water vapor as activating agent. This research aims to know the characteristics of oil palm mi…