Srikanth, S and Kumar, Rakesh and Devi, L M and Kumar, Satender and Hait, Jhumki and Khan, Z H (2009) Insitu activation leaching and exsitu activation-pressure leaching of zircon in acid and alkaline solutions (OLP-0095). Exploratory (OLP). CSIR-NML, Jamshedpur. (Submitted)
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Objectives
The objective of this study was to explore both insitu activation - leaching in a continuous attrition mill and exsitu activation - pressure leaching of zircon in acid and alkaline solutions to develop an energy efficient low temperature process for the extraction of ZrO2. This is a sequel to an earlier project undertaken on the effect of mechanical activation on the acid and alkali dissolution kinetics of zircon. The main activities projected in this project were:
• Study combined activation – alkali leaching (NaOH) of zircon in attrition mill as a function of activation time, alkali concentration and temperature.
• Study the effect of mechanical activation on the alkali dissolution kinetics of zircon at elevated pressures as a function of time of activation, temperature and time of leaching.
• Effect of mechanical activation on the sulfuric acid dissolution kinetics of zircon at elevated pressures as a function of time of activation, temperature and time of leaching.
• Evolve a flow-sheet for the low temperature extraction of ZrO2 from zircon (ZrSiO3).
| Item Type: | Project Reports (Exploratory (OLP)) |
|---|---|
| Uncontrolled Keywords: | Zircon; mechanical activation; leaching |
| Subjects: | Metallurgy Ceramics > High Temperature Ceramics Metallurgy > Extractive Metallurgy |
| Divisions: | Metal Extraction and Forming |
| Depositing User: | Dr. A K Sahu |
| Date Deposited: | 19 Aug 2015 10:52 |
| Last Modified: | 16 Jun 2021 18:43 |
| URI: | http://eprints.nmlindia.org/id/eprint/7299 |
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