Integrated coal liquefaction process
US4125452A · kind A · utility
13Cited by
7References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 10, 1977 |
| Grant date | Nov 14, 1978 |
| Priority date | — |
| Expiry date | Jun 10, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G1/006
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
In a process for the liquefaction of coal in which coal liquids containing phenols and other oxygenated compounds are produced during the liquefaction step and later hydrogenated, oxygenated compounds are removed from at least part of the coal liquids in the naphtha and gas oil boiling range prior to the hydrogenation step and employed as a feed stream for the manufacture of a synthesis gas or for other purposes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.