Activated carbon (also called active carbon, activated charcoal, or activated coal) is a form of carbon that has been processed to make it extremely porous and thus to have a very large surface area available for adsorption and chemical reactions. It is usually derived from charcoal. Activated carbon is valuable for a variety of applications. applications : 1. water purification2. air purification3. gold purification and recovery4. petro chemical5. solvent recovery6. pharmaceutical7. electrical8. food and beverage