... rich holes, it can be used for the purification of chemical material gas, chemical compound gas , ... chloride,hydrocarbon, ethane, cracking gas, inertia gas and purification of atom exhaust establishment. also, take off contamination ... data of coal-based activated carbon for gas purification:Product typeParametertetrachloride adsorption valueMoistureAsh contentBulk densityAbrasion resistanceParticle size ...