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In order to improve the environmental quaLity of Nanchang city and provide scientific foundation for the municipal government to perfect the reconstruction of "Ecological Nanchang", the samples of PM10, flying dust from roads and construction sites were collected. The results showed that the PM10 concentration of the sampLing spot (Lijia ZHuang, an industrial district) was the highest (635...
The study was conducted in a typical coal-mining industrial area in Gansu Province in Northwest China of Loess highland at Cold and Arid Regions. Gangue samples were collected from several mines and soil samples were collected nearly gangue pile from different coal mining region with a variety of mining history. According to the character of geology and topography at Cold and Arid Regions, gangue...
To study the spatial distribution characteristics of 10 heavy metals(As, Hg, Mo, Cd, Cr, Zn, Cu, Mn, Pb, Ti) in the soil of Dexing area, Semi-variance function is used to quantitatively describe the structural features of the spatial distribution and map the content distribution. The analysis shows, in addition to cadmium and lead, other elements fit relatively well, which reflects a good spatial...
The work investigated that δ-MnO2 / Polymeric ferric sulfate (PFS) treated on electroplating wastewater containing heavy metal ions Cu2+, Pb2+, Cr3+. Effect adsorption on the pH, the amount of adsorbent, the input order and ratio of δ-MnO2 / PFS, the research determined the laboratory simulated electroplating wastewater treatment process and other basic parameters. The results showed that the best...
Improper management of sanitary landfill will become a huge problem to the environment. The main pollution occur by sanitary landfill is the generation of leachate which will affect groundwater, ecosystem and also human health because of the highly content of heavy metal. The removal of heavy metal in leachate has become important to maintain water quality standard before it will discharge to environment...
Mn, Cu, Zn and Fe in rain samples collected in Jiaozuo city were measured by AFS, to evaluate the level of heavy metals in precipitation and the concentration variety of the month, then to presume the source of them, basing on the comparison of domestic and foreign cities and enrichment factor calculations. Individual rain events were sampled form April to September 2008. High heavy metals concentration...
Combustion tests of the synthetic samples of household waste were carried out to investigate emissions of heavy metals and chlorine derived from plastics waste into bottom ash and fly ash. PVC, PP, PS, and PET were focused as typical plastics wastes in this study. Concentration distributions and leachabilities of Cu, Pb, Zn, Mn and Cl in bottom ash and fly ash were confirmed by XRF analyses and leaching...
The DD2005-03 sequential extraction method, developed for the analysis of heavy metals in soil, was applied to 234 soil samples covering the area of the Henan Province representative agriculture soil. On average, the order of Cd in each fraction was Exchangeable (27.3%) > Weakly bound to organic matter (22.7%) > Strongly bound to organic matter (16.4%) > Residual (15.1%) > Carbonate (12...
Study is conducted of heavy metals of fog water and air pollution in foggy weather. Results show that foggy weather condition prevents the diffusion of pollutants leading to heavy contamination, with change in pollutant density approximately in phase with fog genesis/lysisiquestone-to-one correlation analysis between densities of heavy metals (Cd, Cr, Cu, Mn and Fe except As) and pollutants shows...
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