What are the three commonly used disinfection methods?

Commonly used disinfection methods are divided into three categories: physical disinfection, chemical disinfection and biological disinfection.

1, physical disinfection: refers to the method of killing or eliminating pathogenic microorganisms and other harmful microorganisms through physical factors. It is characterized by rapid action and no harmful substances remain in the sterilized articles. Commonly used physical disinfection methods include natural purification, mechanical sterilization, thermal sterilization and ultraviolet irradiation.

2. Chemical disinfection method: refers to the method of disinfection with chemicals. Chemical disinfection is easy to use and does not require complicated equipment, but some disinfection drugs are toxic and corrosive. In order to ensure the disinfection effect and reduce the toxic and side effects, the specified conditions and instructions must be strictly implemented.

3. Biological disinfection method: it is a method of using some organisms to destroy pathogenic microorganisms. It is characterized by slow action, limited effect, but low cost. It is mostly used for sanitary treatment of large-scale wastes and excreta. Commonly used methods include biological thermal disinfection technology and biological oxidation disinfection technology.