Sorption of tungsten on alumina in dynamic conditions

Vučina, J. L.; Lukic, Dragoljub M.; Milonjić, Slobodan K.; Stoiljković, Milovan

doi:10.1007/s10967-006-0010-3

Cited by 4 publications

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“…6 The calculated theoretical sorption capacities of the resin Dowex 1-x8 (100--200 mesh) for the corresponding anions are given in Table I. 6 The calculated theoretical sorption capacities of the resin Dowex 1-x8 (100--200 mesh) for the corresponding anions are given in Table I.…”

Section: Resultsmentioning

confidence: 99%

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Concentration of rhenium from dilute sodium chloride solutions

Lukic

Vučina

Milonjić

2008

JSCS

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The conditions for the desorption of rhenium from the anion exchange resin Dowex 1-x8 by HNO 3 , HCl, H 2 SO 4 and NaOH were determined. The solution (5.0×10 -3 mol dm -3 Re in 0.15 mol dm -3 NaCl) was passed through a column containing 0.10 g of the resin. The total sorbed amount of rhenium was 0.20 g/g of the resin. It was then eluted by the corresponding eluent in the concentration range up to about 3.0 mol dm -3 . The highest elution efficiency and the most favourable elution profile were found with 3.0 mol dm -3 HNO 3 . Over 77 % of the sorbed rhenium was found in the first 5 ml of the eluate. Practically all the rhenium was recovered with 20 ml of the acid. Under the given experimental conditions, HCl and H 2 SO 4 were less favourable while NaOH was not applicable, due to very low efficiency of rhenium elution.

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Section: Resultsmentioning

confidence: 99%

“…[6][7][8] The experiments, repeated twice, were performed at room temperature. The procedure was described in earlier papers.…”

Section: Chemical Analysesmentioning

confidence: 99%