Hello!
Sewage treatment currently has a variety of disinfection methods.
Common:
Physical method: the use of ultraviolet irradiation, etc., the disinfection effect is general, but more economical. Equipment costs and maintenance costs are high.
Chemical method: the chemical method of disinfection mainly using various types of reagents.
Common reagents are chlorine dioxide, chlorine disinfectant (sodium trichloroisocyanurate, bleach, liquid chlorine, etc.), ozone, etc.
Three common disinfectants chlorine dioxide with its sterilization and disinfection effect is good, no residue and moderate cost is more and more widely used. Process also from the original use of chlorine dioxide generator, raw materials using hydrochloric acid, sodium chlorate preparation, to the current use of finished chlorine dioxide.
Recommend a professional to do this.