Process for the removal of green oil from a hydrocarbon stream
US5304699A · kind A · utility
2Cited by
8References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 1993 |
| Grant date | Apr 19, 1994 |
| Priority date | — |
| Expiry date | Apr 19, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C7/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a process for removing hydrogenation by-products which comprises the use of an extractive distillation tower operated in combination with a solvent stripper, hydrocarbon purge and a water wash column. By the arrangement of the various feeds to and between the above mentioned, the green oil may be extracted away from desirable hydrocarbons.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.