Activated carbon is porous carbon material. Due to its highly developed porous structure and huge specific ... recovery GB/T7701.-1997To be used for recovery of benzene, toluene, xylene, ethanol, ethers, gasoline, chloroform, carbon tetrachloride, etc ... used for gas-phase and liquid-phase adsorption of harmful chemical, removal of organic vapors. filtration of harmful gases and air deodorization