Summary
A silica gel column impregnated with bis-(2,4,4-trimethylpentyl)dithiophosphinic acid has been studied for the uptake of Ti(IV). Its chemical stability has been examined and its regeneration power checked. The stoichiometry of the extracted species is proposed and the loading capacity of the column material for Ti(IV) assessed. Some important binary separations of Ti(IV) from commonly associated metal ions have been achieved and the column has been used to recover high-purity titanium from red mud, a secondary sector material.
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Gupta, B., Deep, A., Malik, P. et al. Extraction chromatographic studies of Ti(IV) with cyanex 301 as impregnant—Recovery from red mud. Chromatographia 55, 235–237 (2002). https://doi.org/10.1007/BF02492148
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DOI: https://doi.org/10.1007/BF02492148