Urine is characterized by complicated components and great fluctuation in quality,which also contains large amounts of nutrients including nitrogen,phosphorus and potassium.Therefore,the sourceseparated urine technology for urine purification and nutrient recovery has attracted more attention in recent years.Membrane technology has been applied in urine treatment widely for its advantages of high separation efficiency,simple operation management,and multistage treatment.In this paper,the composition and properties of urine were summarized firstly,the research and application status of low pres...
