Abstract
With strong alkaline anion-exchange resin 717 as the sorbent and NaOH solution as the eluent, a study on the sorption from alkaline solution and elution of vanadium(V), silicon(IV), and aluminium(III) was carried out. Different parameters affecting the sorption and elution process, including temperature, pH values as well as the ratio of resin to solution, were investigated. The results show that sorption degree of vanadium(V) increases with a decrease of pH values, and V(V) ions are easier sorbed than Si(IV) and Al(III) ions under the same conditions. The sorption degree of V(V), Si(IV), and Al(III) at pH 9.14 for 15 min are 90.6%, 33.5%, and 21.6%, respectively. Si(IV), Al(III), and V(V) ions sorbed on 717 resin were eluted by use of 2 mol·L−1 NaOH solution; the desorption degree of V(V), Si(IV), and Al(III) for 5 min are 81.7%, 99.1%, and 99.3%, respectively.
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Huang, J., Su, P., Wu, W. et al. Concentration and separation of vanadium from alkaline media by strong alkaline anion-exchange resin 717. Rare Metals 29, 439–443 (2010). https://doi.org/10.1007/s12598-010-0146-8
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DOI: https://doi.org/10.1007/s12598-010-0146-8