High Quality Coconut Shell Granular Activated Carbon For Drinking Water and Gold Recovery. Coconut shell activated carbon produced by high quality coconut shell. This product widely used for pure water factory,waste gas purification.In addition, coconut shell activated carbon also has some special functions. Such as golden refining, water purifier filter, face mask,removing methane, chlorine, ammonia, nitrogen, benzene, formaldehyde, SO2 and CO.