Process for production of dense soda, light soda, sodium bicarbonate and sodium silicate from solutions containing bicarbonate
US7507388B2 · kind B2 · utility
11Cited by
8References
14Claims
0Family size
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Key dates
| Filing date | Nov 14, 2005 |
| Grant date | Mar 24, 2009 |
| Priority date | — |
| Expiry date | May 1, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process related to sodium chemicals production, including the processing of bicarbonate containing solutions obtained by solution mining of trona, nahcolite or wegscheiderite reserves and the lake waters containing bicarbonates, includes the steps of purification, evaporation-decarbonation, crystallization, centrifuging, and drying.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.