Process for removing organic acids from crude oil and crude oil distillates
US9279086B2 · kind B2 · utility
3Cited by
8References
47Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2010 |
| Grant date | Mar 8, 2016 |
| Priority date | — |
| Expiry date | Nov 16, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the removal of organic acids, particularly naphthenic acids, from crude oils and crude oil distillates by use of a supported basic ionic liquid in a mass ratio of crude oil and/or crude oil distillate and ionic liquid of from greater than 40:1, the basic ionic liquid comprises a basic anion selected from serinate, prolinate, histidinate, threoninate, valinate, asparaginate, taurinate and lysinate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.