Extraction of polycyclic aromatic compounds from petroleum feedstocks using ionic liquids
US8574426B2 · kind B2 · utility
7Cited by
6References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2012 |
| Grant date | Nov 5, 2013 |
| Priority date | — |
| Expiry date | Apr 16, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/206
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention involves a process for removing one or more polycyclic aromatic hydrocarbon compounds from a vacuum gas oil comprising contacting the vacuum gas oil with a vacuum gas oil-immiscible phosphonium ionic liquid to produce a mixture comprising the vacuum gas oil and the vacuum gas oil-immiscible phosphonium ionic liquid, and separating the mixture to produce a vacuum gas oil effluent and a vacuum gas oil-immiscible phosphonium ionic liquid effluent, the vacuum gas oil-immiscible phosphonium ionic liquid effluent comprising the polycyclic aromatic hydrocarbon compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.