Process for liquefying coal employing a vented dissolver
US4110192A · kind A · utility
17Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 1976 |
| Grant date | Aug 29, 1978 |
| Priority date | — |
| Expiry date | Nov 30, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G1/002
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for liquefying coal employing a low temperature preheater zone, a higher temperature non-catalytic hydrocracking zone and a catalytic hydrogenation zone. The process is improved by venting gases from the high temperature hydrocracking zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.