Desulfurizing agent for injection
US4263043A · kind A · utility
4Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 1980 |
| Grant date | Apr 21, 1981 |
| Priority date | — |
| Expiry date | Feb 6, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22B9/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A desulfurizing agent for injection mainly consisting of lime powders having a particle diameter which allows at least 50 wt. % of the lime powders to pass through a screen mesh of 100 .mu.m and containing 0.015 to 1.0 wt. % of silicone oil surfactant, 10 to 40 wt. % of carbonate or hydroxide of alkaline earth metal, and 2 to 20 wt. % of carbon. The desulfurizing agent further contains 2 to 10 wt. % of at least one fluoride selected from the group consisting of fluoride of alkaline metal, fluoride of alkaline earth metal, cryolite, and sodium silicofluoride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.