Sewage treatment equipment of maternity hospital - Overview: $r $n $r $n is different from ordinary hospitals. Infectious disease hospitals need additional pre disinfection processes. As an important indicator of sewage treatment, the residual chlorine indicator is also required to be high. Ordinary hospitals can only use 2~8, but infectious disease hospitals need to achieve 6.5~10. ”There are currently three standards for residual chlorine indicators in hospital sewage treatment. They are discharged into urban sewage treatment plants after hospital sewage treatment, and the residual chlorine index of the treated water is 2-8 milligrams per liter; After hospital sewage treatment, it is not discharged into urban sewage treatment plants. The residual chlorine index in the treated water is 3-10 milligrams per liter; Residual cyanide after sewage treatment in infectious disease hospitals