Based on this, the efficiency of enhanced nitrogen and phosphorus removal in the IMBR system was analyzed emphatically.

New process for denitrifying phosphorus and nitrogen removal and influence factors;

Analysis on influencing factors of A_2N denitrifying phosphorus and nitrogen removal process;

Test of membrane bioreactor for denitrification and phosphorus removal;

Research progress on technique of denitrification and phosphorus removal in membrane bioreactor

The phosphorus release and uptake behavior of phosphorus accumulating organisms (PAOs) in “anoxic- anaerobic-aerobic” denitrification and phosphorus removal process (namely reversed AAO) with low carbon nutrients and high nitrate were explored using artificial wastewater and municipal wastewater.

Effect of cell concentration on the removal of nitrogen and phosphorus in synthetic wastewater by the immobilized algal-bacterial system;

The hydraulic retention time and the ratio of whole aerobic zone on removal of nitrogen and phosphorus are investigated.

The mechanisms of of the biological removal of nitrogen and phosphorus are explained.