Low-molecular-ratio cryolite for aluminium electrolytic industry and method for preparing the same
US8936710B2 · kind B2 · utility
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Key dates
| Filing date | Jan 22, 2014 |
| Grant date | Jan 20, 2015 |
| Priority date | — |
| Expiry date | Jan 22, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01F7/54
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The disclosure provides low-molecular-ratio cryolite for aluminum electrolytic industry, which consists of potassium cryolite and sodium cryolite with a mole ratio of 1:1˜1:3, wherein the molecular formula of the potassium cryolite is mKF.AlF3 and the molecular formula of the sodium cryolite is nNaF.AlF3, where m=1˜1.5 and n=1˜1.5. When the low-molecular-ratio cryolite provided by the disclosure is applied to the aluminum electrolytic industry, electrolytic temperature and power consumption can be reduced and electrolytic efficiency is improved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.