Resin-in-pulp method for uranium recovery from leached pulp of low grade uranium ore
| Autor: | Kazem Mirjalili, Mahshid Roshani |
|---|---|
| Rok vydání: | 2007 |
| Předmět: |
inorganic chemicals
Hydrometallurgy Ion exchange McCabe–Thiele method Chemistry Pulp (paper) technology industry and agriculture Metals and Alloys Mineralogy chemistry.chemical_element engineering.material Uranium Pulp and paper industry complex mixtures Industrial and Manufacturing Engineering stomatognathic diseases Adsorption stomatognathic system Materials Chemistry engineering Particle size Ion-exchange resin |
| Zdroj: | Hydrometallurgy. 85:103-109 |
| ISSN: | 0304-386X |
| DOI: | 10.1016/j.hydromet.2006.08.006 |
| Popis: | An improved process for the separation of uranium from the leached pulp of low grade uranium ore is reported using the resin-in-pulp method. For this study, four small pachucas were designed and calibrated. A series of tests were conducted batch-wise to determine the optimum conditions for uranium adsorption on a strong base anion exchange resin. The particle size of resin was 0.6–1.6 mm and the particle size of pulp was − 0.1 mm. Flow rates of resin and pulp were adjusted on 10 ml/h and 1 ml/h, respectively. The redox potential of pulp was 500 mV and the pH of pulp was 1.8. A McCabe Thiele diagram was constructed for the process and the experimental results confirmed the theoretical predictions. It is concluded that four stage counter-current resin-in-pulp operation under optimum conditions is sufficient to recover about 99% of the uranium from the leached ore. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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