Activated carbon Activated carbon operates through adsorption. Adsorption is a surface phenomenon and is therefore directly related to the surface area of the media.Adsorption takes place due to intramolecular attraction between the carbon surface and the substance that is being adsorbed. Types of Activated carbon marketed by us are granular and Powder . Activated Carbon Granular has following specs . #Iodine Value : 1000mg/gram #ASh Content : 4% #pH:8 to 10 #Hardness: 90% #Apparent Density: 510kg/m3 Bag Weight 25kg / 50kg Lot size 40'Container: 17Tons