Process for production of phosphate rock slurries having reduced water content and viscosity
US4177243A · kind A · utility
3Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 1976 |
| Grant date | Dec 4, 1979 |
| Priority date | — |
| Expiry date | Mar 1, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B25/222
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Addition of sodium naphthaleneformaldehyde sulfonate to phosphate rock slurry in manufacture of phosphoric acid by the wet process permits reduction of the viscosity and/or water content of the slurry so that increased pumpability of the slurry is obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.