Process for preparing high-purity zirconium dioxide
The invention relates to a process for preparing high purity zirconium dioxide consisting of, mixing zircon sand with a finite proportion of block-shaped or granular carbon reducer, charging into electric arc furnace, desiliconisation refining, then adding a definite quantity of halides formed from...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The invention relates to a process for preparing high purity zirconium dioxide consisting of, mixing zircon sand with a finite proportion of block-shaped or granular carbon reducer, charging into electric arc furnace, desiliconisation refining, then adding a definite quantity of halides formed from alkaline metal and halogen family elements as purification agent, and removing impurity substance through electric stove melting or incineration. |
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