Extract recycle in a hydrocarbon decontamination process
US9328295B2 · kind B2 · utility
3Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2013 |
| Grant date | May 3, 2016 |
| Priority date | — |
| Expiry date | Aug 15, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/4081
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Recycle of an extract stream containing a contaminant is used to improve recovery of hydrocarbons in a contaminant removal process. At least a portion of an extract stream is recycled to a contaminant extraction zone and contacted with rich ionic liquid. Contaminants in the recycle extract stream are transferred to the rich ionic liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.