Retorting process with contaminant removal
US4599161A · kind A · utility
5Cited by
9References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 1984 |
| Grant date | Jul 8, 1986 |
| Priority date | — |
| Expiry date | Nov 30, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G1/002
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Hydrogen sulfide issuing from an oil shale retort is captured in an absorbent bed. When the bed is regenerated as with oxygen containing gas, the sulfur dioxide liberated is reintroduced into the retort for reaction with the spent shale.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.