Coal recovery process
US4248698A · kind A · utility
21Cited by
12References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 5, 1979 |
| Grant date | Feb 3, 1981 |
| Priority date | — |
| Expiry date | Oct 5, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L9/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Agglomeration type processes for recovering coal in which calcium oxide is employed to bring about an effective separation of pyritic sulfur from the coal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.