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Two different leachates of Chang'an landfill in Chendu were collected as the object of study. The components of organic pollutants in leachates were detected by combined GC-MS technique based on the general water quality analysis. Test results of study are as the follows: the type and nature of organic pollutant effect directly on leachate biodegradability. In high biodegradability (BOD5/CODCr = 0...
Nano technology and nano material were widely applied to solve the problem of water pollution. It is known that on their way forward, people are bound to run into lake's eutrophication in the world, owing to pollution source not being controlled. Among all pollution sources, agricultual widespread pollution, such as fertilizer's nutrient to wash away, and inner pollution in the lake, such total nitrogen...
Through investigating and analyzing the outlet position and wastewater quality of the enterprises along the Yibin section of Yangtse River, the Yibin section of Yangtse River is divided into 5 cells based on the theory of optimal search according to the characteristic of the standardization management of the outlet. Thus the target distribution function and the search probability function are deduced,...
According to the accidental pollution source that discharges discontinuously and dynamically, based on the analysis of the characteristic of the location of the outlets for discharging sewage, the legitimacy of the outlets and the pollution characteristic in a drainage area, the search area is classified into four types, and the corresponding original distribution function is suggested, thus the detection...
When the pollution accidents take place in the river basin, it is very important and necessary to find out the accidental sources of pollution , so that effective measures can be taken to reduce the pollution. But because of the lack of monitoring efforts and the secluded source, very little about the accidental sources of pollution is known to searcher and it is very hard to find the accidental sources...
The distribution method of the monitoring effort is studied by using the optimal search theory to detect the water pollution accident source for a suddenlyoccurred pollution event in the river basin. For the sudden accident by characteristic contaminants in medium-sized river, the research sets the target distribution and the detection function, and builds the optimal search model of detecting the...
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