grain Activated carbon Its main performance is adsorption, which is related to the pore structure of granular activated carbon. The specific surface area and specific volume of micropores are very large. Therefore, micropores largely determine the adsorption capacity of granular activated carbon. On the surface of solid activated carbon, there are mainly two kinds of adsorption, namely physical adsorption and chemical adsorption.

During the storage or transportation of granular activated carbon, it is necessary to prevent the granular activated carbon filter material from directly contacting with the fire source, because it is necessary to prevent the entry of fire and oxygen during the regeneration of activated carbon filter material. After regeneration, steam shall be used to cool to below 80 ℃, otherwise the temperature will be high and the granular activated carbon will spontaneously ignite when encountering oxygen. The service life of granular activated carbon particles is generally 1 to 2 years, which is affected by iodine value, pH value of water, water flow and impurity content in water. Activated carbon particles are indispensable in clothing, food, housing, transportation and industrial water treatment. Therefore, granular activated carbon plays a key and powerful role.