Ablation process for oil sands subjected to non-aqueous extraction
US11649404B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2022 |
| Grant date | May 16, 2023 |
| Priority date | — |
| Expiry date | Mar 1, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/44
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A non-aqueous extraction process for producing a bitumen product from an oil sands material that includes an ablation stage is provided. The ablation stage can include adding an ablation solvent to an oil sands material to achieve a solvent-to-ore ratio of less than about 10, mixing the ablation solvent and the oil sands material to reduce the size of the oil sands material and produce ablated ore that includes ablated ore fragments having a diameter of less than about 2 inches, and retrieving the ablated ore as a single stream. The ablated ore can be subjected to a reject separation stage to separate reject material therefrom. The reject material can also be subjected to a wash reject stage. The ablated ore can then be subjected to an extraction stage. Examples of ablators are also described, which can include for instance a conveyor, or can be a rotary screen ablator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.