Process for dissolving sub-bituminous coal
US4021329A · kind A · utility
27Cited by
8References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 15, 1976 |
| Grant date | May 3, 1977 |
| Priority date | — |
| Expiry date | Jan 15, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S208/951
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for dissolving sub-bituminous coal by heating said coal in the presence of a hydrogen donor oil, gaseous carbon monoxide, water, hydrogen, and an iron compound promoted with an alkali or alkali precursor at a temperature of from about 400.degree. to about 425.degree. C. and at a total pressure of from about 2000 to about 5000 psig.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.