Study on disinfection problems in municipal wastewater reclamation treatment process;

The technology and prospect of biological removal of nitrogen and phosphorus from municipal wastewater;

A pilot scale study on short-cut biological nitrogen removal of municipal wastewater with SBR process;

Feasibility analysis on municipal sewage reuse;

Technology for municipal sewage treatment plants with scales under 100 000 t/d in China;

Study on municipal sewage forced treatment by biological membrane/suspension growth;

H-A-O process for bio-nitrogen removal from urban wastewater;

Research on turbulent flow characteristic of urban wastewater as non-Newtonian exponential homogeneous fluid;

Preliminary study on urban wastewater treatment by bio-electrode reactor;

Thermodynamic analysis of urban sewage adsorption treatment by using modified bentonite for removal of COD;

Problems of urban sewage reutilization planning;

Researches on the investments in urban sewage treatment in China by the mode of BOT;

The action of city sewage deep treatment in the continuous utilization of water Recycle, water Environment and water resource;

Study on heat and air condition with city sewage;