Briquetted activated carbon has good pore structure, large capacity of surface area, high speed adsorption and the chemical performance is stable, it is easy to regeneration. It is always used for deep purification of high purity drinking water, industrial water and waste water treatment. It not only can improve the purity of water, but also can get out peculiar smell and all kinds of impurities such as chlorine, phenol, arsenic, lead, cyanide in water, pesticides and other harmful material. It can be widely used for filling all kinds of large, medium and small water purifier, also can be applied for decolorization and refining of sugars and drinks , as well as air purification indoor and outdoor .