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| Behavior of hematite precipitation process in hydrometallurgical zinc |
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Received:September 25, 2019
Revised:October 08, 2019
Accepted:October 11, 2019
Published Online:May 14, 2020
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| DOI： |
| KeyWord:Hydrometallurgical zinc; Hematite precipitation; Oxidation; Hydrolysis |
| Author | Institution |
| DENG Zhi-gan |
Faculty of Metallurgical and Energy Engineering,Kunming University of Science and Technology |
| WEI Chang |
Faculty of Metallurgical and Energy Engineering,Kunming University of Science and Technology |
| ZHU Bei-ping |
Yunxi Wenshan Zinc Indium Smelting Co Ltd |
| LI Cun-Xiong |
Faculty of Metallurgical and Energy Engineering,Kunming University of Science and Technology |
| LI Xing-bin |
Faculty of Metallurgical and Energy Engineering,Kunming University of Science and Technology |
| LI Min-ting |
Faculty of Metallurgical and Energy Engineering,Kunming University of Science and Technology |
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| Abstract: |
| The hematite precipitation process for removing iron is an effective way to realize high efficient separation of zinc and iron in hydrometallurgical zinc process. This study considered the oxidation hydrolysis precipitation behavior of ferrous sulfate during hematite precipitation for iron removal. Studied the precipitation characteristics and phase characterization of the precipitation product and the effect of time, acidity, temperature, sulfate concentration and the amount of return precipitates, which as seed crystal, on hematite precipitation process for removing iron. |
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