The removal of heavy metals from aqueous solutions by montmorillonite modified with polyethylenimine |
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| Authors: | V. V. Goncharuk L. N. Puzyrnaya G. N. Pshinko A. A. Bogolepov V. Ya. Demchenko |
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| Affiliation: | (1) Department of Chemical Engineering, Hanyang University, Seoul, 133-791, Korea;(2) Department of Bioengineering, Hanyang University, Seoul, 133-791, Korea; |
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| Abstract: | We have shown a possibility of using montmorillonite modified with polyethylenimine for the removal of ions of heavy metals (Co(II) and Ni(II) from aqueous solutions. It has been found that the employment of such a composite sorbent is promising for purification of medium- and highly-mineralized wastewaters with the neutral value of the pH. The complexation influence of the reagents on the purification process has been shown and determined a dose of a reagent for obtaining the maximum possible degree of purifying aqueous solutions. |
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