Anaerobic fermentation of sewage and organic waste,

Membrane separation technology

Biological nitrogen removal technology of sewage

Theory and technology of organic solid waste treatment and reuse. Study on characteristics of sewage treatment by high efficiency floating bed-aerobic granular sludge process.

2. Study on the mechanism of biological hydrogen production by anaerobic fermentation of organic wastewater.

3. Minister of Education for Biohydrogen Production from Environmental Wastes and Wastewater

4. Development of new technology for sewage treatment by fluidized bed granular sludge stripping: Head of Sino-Japanese cooperation project.

5. Development of new technologies for sewage treatment in anaerobic and aerobic swimming beds: Head of Sino-Japanese cooperation project.

6. Development of one-way swimming bed domestic sewage treatment system. Head of China-Japan cooperation project.

7. Application of membrane separation technology in domestic sewage 1, swimming bed/activated sludge series device [P]. China, invention patent, first.

2. Swimming bed/activated sludge series device [P]. China, utility model patent, the first.

3. New technology of xanthan gum fermentation China National Intellectual Property Administration invention patent application number: No.2.

4. Engineering method for separation and extraction of xanthan gum China National Intellectual Property Administration Patent No.2.

5. China National Intellectual Property Administration application number of the ultraviolet disinfection device for reclaimed water of this utility model. : No.7 (1)20041October, 15 ~ 18, co-sponsored with Japan the Sino-Japanese water pollution prevention and restoration seminar (location: Beijing, China).

(2) From July 26th to 29th, 2005, co-chaired the Sino-Japanese water environment research seminar (location: Tokyo, Japan).