... carbons made of selected virgin coal. widely used for gas/air/water purification. CG4050,CG4060,CG3050,CG3060 are pelletized activated carbons ... and potassium hydroxide, carbon dioxide, hydrogen, nitrogen, acetylene, chlorine, ethylene, cracking gas, inert gas, etc.Indoor air pollution removalSolvent recoveryWater purification, removing toxic ...