南方某化工廠污染修復(fù)研究
[Abstract]:Soil and groundwater provide basic necessities for human activities, all human activities are inseparable from soil and water. With the progress of modern society and the increase of population, the rapid development of industry and agriculture has brought serious pollution to soil and groundwater. Taking the abandoned site of a chemical plant in the south of the Yangtze River as an example, the preliminary situation of the site pollution is analyzed through geological exploration, soil drilling, pumping test, water injection test and the data collected in the later period. The spatial content and spatial structure characteristics of soil pollutants in the site were analyzed by EVS software based on geostatistics. Through the 3D visualization function of EVS software, chlorobenzenes and chloroform in soil were displayed from multi-visual angle and multi-level. Distribution of carbon tetrachloride. The results showed that the pollution of chlorobenzene and chloroform in the site of the factory was serious, the pollution of carbon tetrachloride was relatively light, and the range of pollution was mainly concentrated in the sewage treatment pond and the second pesticide production workshop. It is speculated that the pollution in this area is probably caused by leakage of raw materials during pesticide production. According to EVS simulation results, the migration of chlorobenzene in the soil bottom is the most obvious. Based on the hydrogeological data collected, the hydrogeological conceptual model of the site was established, and the diffusion trend of benzene in groundwater in the study area was simulated by using MODFLOW,MT3D module of GMS software after 365 days, 730 days, 1095 days, 1460 days and 1825 days. The remediation of benzene in groundwater under different single well extractions was simulated by single well and double well extraction systems, and the advantages and disadvantages of different remediation schemes were analyzed based on the weighting coefficient method.
【學(xué)位授予單位】:華北電力大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2015
【分類號(hào)】:X53;X523;X78
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