Simultaneous beneficiation and treatment of oil shale
US4466882A · kind A · utility
3Cited by
11References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 1983 |
| Grant date | Aug 21, 1984 |
| Priority date | — |
| Expiry date | May 2, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G1/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a beneficiation process for oil shale ore which contains substantial or detrimental amounts of pyrites wherein the ore is simultaneously treated to substantially reduce hydrogen sulfide formation during subsequent retorting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.