Method for improving the bulk density and throughput characteristics of coking coal
US4304636A · kind A · utility
9Cited by
8References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1980 |
| Grant date | Dec 8, 1981 |
| Priority date | — |
| Expiry date | Feb 19, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L9/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The bulk density and throughput characteristics of coking coal are improved by treating the coal with a surfactant and a combination of fuel oil and alcohol or of solid lubricant and water, the surfactant being soluble in, and increasing the spreading coefficient of, fuel oil or water, as the case may be.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.