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Renewable Bio-energy Production from Wastes and Wastewater in China
Herbert H. P. Fang, Chair, Professor of Environmental Engineering, University of Hong Kong
Anaerobic processes are able to produce renewable energy from various forms of waste biomass, and thus have recently attracted much attention worldwide, including in China. Using an anaerobic process, as compared to the more conventional aerobic processes for waste and wastewater treatment, saves the energy needed for aeration and produces only about one-tenth the amount of sludge, the disposal of which is very costly. In addition, anaerobic processes are able to convert the chemical energy in the waste biomass into a readily useful form of energy, i.e. methane and/or hydrogen. In this presentation, the principle and the history of anaerobic treatment technology will first be introduced, followed by the recent developments and applications of the process in China to the treatment of industrial and municipal wastewater, as well as livestock and agricultural wastes. A number of photos related to the treatment reactors and systems taken in recent months will be shown.
Herbert H. P. Fang, Chair Professor of Environmental
Engineering at the University of Hong Kong is an expert in
environmental biotechnologies, including anaerobic degradation,
nutrient removal, membrane separation, biofilm, bioremediation, etc.
He has published over 160