... for recovery of benzene, toluene, xylene, ethanol, ethers, gasoline, chloroform, carbon tetrachloride, etc.ZGranular AC from coal to be used as ... protection GB/T7701.-1997To be used in production of impregnated carbon and filling of all types of industrial protective equipmentYGranular AC ... organic vapors. filtration of harmful gases and air deodorization coal based activated carbon