Surfactant composition and method for treating bitumen froth
US10920149B2 · kind B2 · utility
0Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2016 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | Aug 2, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11C3/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a surfactant composition comprising an ionic liquid prepared from an unsubsituted or substituted primary, secondary or tertiary amine, or from an unsubstituted or substituted pyridine, amidine or guanidine with at least one fatty acid and/or resin acid. The invention also relates to a method for treating bitumen froth from a separation process, where bitumen is separated from mineral solids. The method comprises addition of said surfactant composition to the diluent and/or to the froth before phase separation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.