Synthetic crude from coal
US3932266A · kind A · utility
16Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 1973 |
| Grant date | Jan 13, 1976 |
| Priority date | — |
| Expiry date | Dec 12, 1993 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G1/045
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Coal is hydroliquefied with the hydrogen consumption being limited to that required for effective liquefaction and/or deashing. Ash is removed and the liquid coal product hydrotreated in a second stage to produce synthetic crude.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.