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A batch experiment was conducted to study the effect of pH and temperature on absorption and desorption of copper in soil, soil samples were collected from the vicinity of a copper tailings yard. The results showed that the pH value is one of the most important factors that influence the adsorption of copper. The Cu adsorption was reduced at the low pH. By increasing the pH value, the adsorption increased...
The ion adsorption of cobalt (2+) on the oxide sorbents with different concentrations of the ions of Co2+ and pH has been experimentally studied. The acid-base model of adsorption, which makes it possible to optimize the technological regimes of the adsorption of Co2+ on the inorganic sorbents (Co2O3, TiO2, Fe2O3, Fe3O4, SiO2 and other) has been proposed. The special feature of model is calculation...
Zinc sulfide nanoparticles were prepared by hydrothermal method and characterized by TEM, FT-IR and BET surface area. The titration results show that the surface of ZnS nanoparticles possessed an obvious acid-base property. With increasing the amount of ZnS nanoparticles in the suspension, the pH buffer capacity of solution increased dramatically. There is a proportional relationship between the amount...
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