Process for beneficiating Rundle oil-shale
US4587005A · kind A · utility
11Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1984 |
| Grant date | May 6, 1986 |
| Priority date | — |
| Expiry date | Dec 27, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G1/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a process for removing mineral matter from Rundle oil-shale by contacting the oil-shale with (a) an ammonium salt solution and (b) an organic solvent, at a temperature from about 0.degree. C. to about 300.degree. C. for a time which is sufficient to substantially separate at least about 80 wt. % of the carbonate mineral matter from the oil-shale.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.