Thermal process for reducing total acid number of crude oil
US6086751A · kind A · utility
33Cited by
6References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1997 |
| Grant date | Jul 11, 2000 |
| Priority date | — |
| Expiry date | Aug 29, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G31/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
TAN containing oils, e.g., crudes, are treated by flashing to remove substantially all of the water therefrom, thermally treating the recovered liquid to reduce the naphthenic acid content thereof, and re-combining light gases recovered from the flashing step with the treated liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.