Bitumen extraction using reduced shear conditions
US10907103B2 · kind B2 · utility
1Cited by
2References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 8, 2019 |
| Grant date | Feb 2, 2021 |
| Priority date | — |
| Expiry date | Apr 8, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/1033
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for extracting bitumen from mined oil sand is provided, comprising: preparing an oil sand slurry comprising oil sand and water; conditioning the oil sand slurry by pumping the oil sand slurry through a hydrotransport pipeline under shear conditions that reduce the formation of water-in-bitumen emulsions in the conditioned oil sand slurry and increase the size of bitumen-air aggregates; and subjecting the conditioned oil sand slurry to gravity separation to produce a bitumen froth having enhanced bitumen recovery and reduced water-in-bitumen emulsions, a middlings layer and sand tailings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.