Coking contaminated oil shale or tar sand oil on retorted solid fines
US4507195A · kind A · utility
17Cited by
19References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 1983 |
| Grant date | Mar 26, 1985 |
| Priority date | — |
| Expiry date | May 16, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G1/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Heavy oil fraction of pyrolysis oil vapors containing concentrated contaminants is coked on retorted fine solids contained in a coking zone separate from a retorting vessel characterized by the presence of an inert stripping gas of a rate sufficient to lower the dew point of the pyrolysis oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.