It is made of various kinds of activated carbon ground to meet the requirements, and can be made into activated carbon with different fineness, different decolorization power, different adsorption performance and micro-sedimentation rate according to customers' needs, which can effectively deodorize, decolorize and deodorize in the process of wastewater treatment, and can improve the purification effect when used in combination with other methods, and substantially reduce the BOD.COD fluoride, TSS, etc. in wastewater, and be applied to dry sewage treatment plants, printing and dyeing and pharmaceuticals. Industrial wastewater treatment in industries such as printing and dyeing and pharmaceuticals.