As a new type of oxidant and disinfectant, chlorine dioxide has become a leader in water treatment with its high efficiency, broad spectrum, no residue, no by-product disinfection ability and strong oxidizing ability such as decolorization, deodorization and odor removal. . Compared with traditional disinfectants such as ultraviolet light, ozone, sodium hypochlorite and liquid chlorine, chlorine dioxide has a unique advantage, and it has become the first choice of the industry.