Process for removing heavy metal compounds from heavy crude oil
US5041209A · kind A · utility
59Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 1989 |
| Grant date | Aug 20, 1991 |
| Priority date | — |
| Expiry date | Jul 12, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G9/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process is provided for removing heavy metal compounds from heavy crude oil by mixing the heavy crude oil with tar sand; preheating the mixture to a temperature of about 650.degree. F.; heating said mixture to up to 800.degree. F.; and separating tar sand from the light oils formed during said heating. The heavy metals removed from the heavy oils can be recovered from the spent sand for other uses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.