Synthetic wastewater simulating village non-point source sewage is effectively purified in a laboratory biological contact oxidization pond system.

Ecological restoration of lakeshore damaged by rural non-point pollution;

This paper circumfuses the present situation and emergent causes of the rural non-point source pollution around Poyang Lake and puts forward some controlling countermeasures to promote the sustainable development of the area with the help of environmental economic theories, Management Statistics and Modern Econometric et al.

The paper analyzed the major pollutants of rural areas non-point source pollution in Gansu,estimated the emissions of major pollutants,and discussed the relationship between rural non-point source pollution and natural environment,agricultural production conditions and economic fundamentals.

Through monitoring and data collection of non-point water pollution of a smelter as well as data analysis and summary,the method for non-point water pollution control and polluted rainwater collection is obtained and applied in guiding the design and construction of collection facilities,thus non-point water pollution in the plant area can be controlled.

With the reforms of the rural economic structure and political structure, rural public goods have been supplied out-of-balance, and as one of the public goods the village water irrigation tends to lose its efficiency generally also.