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. 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.