Medical wastewater treatment
The hospital consist of kinds of departments , staffs and equipments , the main departments and equipment to produce sewage are：consulting room ，test cabinet ，wards , washhouse ，The x-rays room ,an animal room and operating theatre ,etc. various departments have different wastewater , it will be a significant approach to spread disease and pollute the environment without effective treatment.
In the first stage of life, the inorganic matter of large granules is deposited in the initial sedimentation section, and the lighter non-polar and organic matter float to form scum.
Through the adsorption of anaerobic microorganism, the pollutant is degraded into carbon dioxide and water
In the artificial wetland treatment section, the pollutants are further removed through the filtration of wetland fillings, the adsorption and decomposition of the fillings biofilm and the absorption of wetland plants to meet the national sewage discharge standards