Taking a certain coking plant in Shanxi Province as the example, this paper introduces the application of A2/O biological denitrification process in its wastewater processing station, and briefly expounds the debugging and operation of the coking wastewater treatment and the control of main technological parameters.

This paper investigates the removal effect of organic matters and nitrogen of A~2/O process at different HRT,DO,return ratio,temperature,C/N and so on.

For an analysis of microbial diversity in the A2/O process,the polymerase chain reaction(PCR) and denaturing gradient gel electrophoresis(DGGE) techniques were applied.

It is confirmed that denitrifying phosphorus removal bacteria exist in A2/O process.

The microbiological characteristics of a newly developed fluidized-pellet-bed (FPB) bioreactor in comparison with an A2/O process were investigated by cell count statistics and molecular biological methods.

Based on practical running data of a wastewater treatment plant, nitrogen and phosphorus removal effect of A-A2/O process on treating urban wastewater with low carbon was studied.

The A-A2/O process model was established and used to conduct simulations based on various influent conditions.

Based on actual running data of a sewage treatment plant A-A2/O process in the south region of China,the sewage treatment plant processes, design parameters and process characteristics were introduced.

Study on influence factors and control strategies of A/O nitrogen removal process;

Control strategies and application research of A/O nitrogen removal process;