Treatment of waste products from Portland cement manufacture
US4001030A · kind A · utility
14Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 18, 1975 |
| Grant date | Jan 4, 1977 |
| Priority date | — |
| Expiry date | Feb 18, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC05D9/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process of treating kiln flue dust from Portland cement manufacture which comprises calcining said flue dust together with a minor proportion by weight of a fluoride salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.