Abstract
The sorption of rhenium ions on high-permeability lignin ion exchangers was studied. The effects of the nature of functional groups in anion exchangers, the concentrations of the metal and an acid in solution, the pH of solution, and the time of sorption on recovery parameters were found. Conditions for the efficient separation of perrhenate ions from model sulfate solutions were determined. It was found that the new fibrous ion exchangers based on the natural polymer lignin were superior to AN-21, AN-18, and AV-16 synthetic anion exchangers based on the amino copolymers of styrene and divinylbenzene, which are commonly used for the sorption of rhenium ions, in sorption and kinetic characteristics.
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Original Russian Text © N.N. Chopabaeva, E.E. Ergozhin, A.T. Tasmagambet, A.I. Nikitina, 2009, published in Khimiya Tverdogo Topliva, 2009, No. 2, pp. 43–47.
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Chopabaeva, N.N., Ergozhin, E.E., Tasmagambet, A.T. et al. Sorption of perrhenate anions by lignin anion exchangers. Soil Fuel Chem. 43, 99–102 (2009). https://doi.org/10.3103/S0361521909020074
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DOI: https://doi.org/10.3103/S0361521909020074