Removal of sulfur from coal and pitch with dolomite
US5246470A · kind A · utility
9Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1992 |
| Grant date | Sep 21, 1993 |
| Priority date | — |
| Expiry date | Dec 2, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L9/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The sulfur in bituminous coal can be converted to calcium sulfate instead of sulfur dioxide during combustion when it is mixed with petroleum pitch and calcium oxide, calcium carbonate or dolomite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.