Based on it,a portable intelligent waste water activity determinator was developed,with which the biological activity index data can be read directly,stored and printed out.

Research on magnetic compound in CEPT of domestic sewage;

Research progress on small district's domestic sewage treatment models;

Primary research on domestic sewage treatment with terrace-type constructed wetland;

Different ozonation technics of municipal sewage advanced treatment for power plants;

Study on the preparation of solid polymeric ferric sulfate and its effect on municipal sewage treatment;

The biological filter bed technique was used to treat municipal sewage.

Pilot study of A/O membrane bioreactor for municipal wastewater treatment;

Study on municipal wastewater treatment in a microaerobic membrane bioreactor;

Study on municipal wastewater treatment with UASB pilot scale;