Process for producing sodium carbonate
US3933977A · kind A · utility
23Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 1974 |
| Grant date | Jan 20, 1976 |
| Priority date | — |
| Expiry date | Jan 11, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01D7/126
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
This invention involves a process for producing high bulk density sodium carbonate from crude trona wherein sodium carbonate monohydrate purge streams containing high amounts of organic impurities are passed to an anhydrous crystallizer operated at temperatures above about 109.degree.C wherein anhydrous sodium carbonate crystals are formed having high bulk densities of about 60 to about 80 lbs/ft.sup.3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.