Coal-based granular activated carbon: selection of high-quality incense, Shanxi carbon and anthracite as raw material, processed from the use of advanced technology refined appearance black cylindrical particle; with appropriate pore structure and good adsorption properties, high mechanical strength, easy to repeated regeneration and low cost. It has high capacity on the absorption of organic solutes, free chlorine and harmful gases in air. Coal-Based Granular Activated Carbon For Water Purification. Application: 1. Purifying the poisonous gas; 2. Processing industrial waste gas; 3. Industrial and domestic water purification treatment; 4. Solvent recovery; 5. Purify and separate hydrogen, nitrogen, hydrogen chloride etc; 6.gas masks and respirators, to guard against poison.