Research Progress of Nitrogen and Phosphorus Removal in Municipal Sewage

摘要

This paper reviews the status and progress of biological denitrification and phosphorus removal. The mechanism of denitrification and phosphorus removal is analyzed briefly, and the characteristic of some denitrification and phosphorus removal process is also compared. The new process and new technology which is not high popularity are introduced. Finally, the outlook of the future research is put forward in the paper.