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Acid volatile sulfides (AVS) and simultaneously extracted metals (SEM) of 11 surface sediment samples collected from the Sea Area of the Yellow River Estuary were determined. The AVS, SEM, SEM-AVS and their distributions were analyzed. The result shows: AVS in the surface sediment of the sea area was between 0.152 and 1.847µmol/g (dry weight), with mean value being 0.935µmol/g (dry weight); SEM in...
Take the geothermal tail water treatment in Dongying of Shandong province as an example, we get various parameters through batch experiments and obtain dynamic changes of TDS ( Total Dissolved Solids), hardness, Chloride and Sodium ion in the experiments of dynamic continuous composite experiment, then gain the best treatment process. It is confirmed that it is feasible for the process to deal with...
It is generally believed that the karst development, weak geotechnical property and rapid changes in hydrodynamic conditions of groundwater are the main factors to cause karst collapses, while we have insufficient understanding of the hydrochemical actions. Exploitation of groundwater has accelerated the process of partial water cycle, in addition that, water quality environment's changement such...
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