Granular Activated Carbon (GAC)
Granular activated carbon (GAC) absorption is commonly used for the advanced (tertiary) treatment of municipal and industrial wastewater. GAC is used to adsorb small quantities of soluble organics and inorganic compounds such as nitrogen, sulfides and heavy metals remaining in the wastewater following biological or physical-chemical treatment. Adsorption occurs when molecules adhere to the internal walls of pores in carbon particles produced by thermal activation.
Impurities Commonly Removed by GAC Granular Activated Carbon
Perchlorates
Aromatic Solvents
Chlorinated Aromatics
Phenolics
Fuels
Chlorinated Solvents
Surfactants
Soluble Organic Dyes
Aromatic & Aliphatic Amines
Pesticides/Herbicides
TOC