Purification of potassium nitrate solutions by coprecipitation of impurities on hydrated aluminum oxide |
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| Authors: | O. M. Polishchuk A. A. Fakeev V. M. Retivov A. G. Vendilo |
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| Affiliation: | 1. State Research Institute of Chemicals and Ultrapure Substances, Federal State Unitary Enterprise, Moscow, Russia
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| Abstract: | Coprecipitation of 3d-element impurities from potassium nitrate solutions on hydrated aluminum oxide was studied. The efficiency of the process was examined in relation to the weight of the collector, the solution-collector contact time, pH of medium, concentration of microimpurities, and presence of oxidant. The parameters for efficient purification of potassium nitrate solutions were determined. |
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