-
Effects of Nutrient Released from Sediment on the Population Succession of Blooming Algae
Most lakes in China are at eutrophic level, some of them have occurred seriously seasonal aglae bloom. Alga bloom occured mainly because of the interaction among external nutrient loading, internal nutrient release and environmental conditions. The fraction and concentration of nutrient in the sediment and overlying water, and changes of environmental conditions maybe the ke...
-
Enhancement of Membrane Bioreactors with Slug Bubbling
Membrane bioreactor (MBR) is a promising technology in wastewater treatment and reuse. However a major barrier exists for its wider application, ie, concentration polarization and membrane fouling. We have proposed using gas injection into the feed stream to generate a gas-liquid two-phase crossflow, especially slug bubbling to enhance membrane separation as well as release ...
-
Enhanced Simultaneous Nitrogen and Phosphorus Removal in Sewage Treatment with Synergistic Method of Chemical and Biologic Processes
Nutrients are the main contaminants in aquatic environment, which accelerate eutrophication of lakes. It is very difficult to remove nitrogen and phosphorus simultaneously in south China by traditional biological processesbecause of the low concentration of BOD in the sewage. This project is proposed to utilize the supernatant of the digested residual sludge as a carbon reso...
-
Ecological Risk of Urban Environmental Change
The objective of this project is to establish a new method of risk assessment on urban environmental change and consequently to evaluate the effect of urban environmental change on ecosystem health. This project mainly includes that ecological risk of urban environmental change including air environment (outdoor and indoor), soil environment and water environment, risk asses...
-
The Stress Effect of Urban Development on Eco-environment
The project will investigate the evolvement disciplinarian of representative eco-environmental elements and examine the regional ecological stress effect in the process of urbanization and city development. Pivot research contents involve: ecological stresses and effect of excess exploitation of resources in urban and suburban area as well as discharges of pollutants, negati...
