Applied and Environmental Soil Science / 2009 / Article / Tab 1

Review Article

Use of Hydrophilic Insoluble Polymers in the Restoration of Metal-Contaminated Soils

Table 1

Copper and manganese removed from a polyacrylate polymer* with different solutions.

SolutionRatio of COOH groupsCu removed (%)Mn removed (%)
Solution : Polymer

2 M KCl2668
Ammonium acetate 0.10.5
Ammonium acetate 418
Ammonium EDTA 4552
Ammonium EDTA 100100

*Polymer was expanded in 5 mM CuSO4 or MnSO4 for 48 hours, excess water removed by filtration, and the polymer was left to equilibrate with the different solutions for 72 hours. These were filtered and the amount of Cu and Mn was analyzed in the filtrates by atomic absorption spectrometry.

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