Impregnated granules are a type of activated carbon that has been modified to enhance its adsorption properties for specific gases or vapors. In gas filtration, impregnated granules are used to remove pollutants that are not effectively adsorbed by regular activated carbon.
Impregnated granules are produced by adding chemical compounds to activated carbon during the manufacturing process. The added compounds react with the activated carbon, creating a new material with enhanced adsorption properties for specific gases or vapors. The type of impregnating agent used depends on the target pollutant, and different agents can be used to enhance the performance of activated carbon for specific applications.