Coal beneficiation
US4304571A · kind A · utility
4Cited by
4References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 2, 1980 |
| Grant date | Dec 8, 1981 |
| Priority date | — |
| Expiry date | Sep 2, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L9/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The BTU value of a solid fuel is increased by subjecting the fuel to hydrothermal treatment in the presence of an added decarboxylation catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.