Activated carbon is porous carbon material. Due to its highly developed porous structure and ... recovery of benzene, toluene, xylene, ethanol, ethers, gasoline, chloroform, carbon tetrachloride, etc.ZGranular AC from coal to be used as ... gas-phase and liquid-phase adsorption of harmful chemical, removal of organic vapors. filtration of harmful gases and air deodorization coal based activated carbon ...