... .abrasion resistance 2.Iodine volume:more than 800mg/g 3.large specific area 4.prompt deliver Coal-based granular ... mechanical strength, easy to repeated regeneration, cost and low; for the toxic gas purification, gas processing, industrial and domestic water ... surface area,high adsorption2.mainly used for refining sugar,medical,beverage,wine3.also used for decoloration,purification of organic solvent4. ...