Hospital sewage source and composition is complex, containing pathogenic microorganisms, toxic, harmful physical and chemical pollutants and radioactive contamination, etc., with the characteristics of space pollution, acute infections and latent infections, etc., without effective treatment will become an important pathway for the proliferation of epidemics and serious pollution of the environment.
For small hospitals, its wastewater has a small amount of water, organic concentration compared to other types of sewage is lower, but contains a large number of bacteria characteristics. Therefore, how to choose a cost-effective process to deal with small hospital wastewater has some difficulties.