Demulsification of emulsions produced from surfactant recovery operations and recovery of surfactants therefrom
US4277352A · kind A · utility
15Cited by
10References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1979 |
| Grant date | Jul 7, 1981 |
| Priority date | — |
| Expiry date | Mar 26, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/936
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Treatment of emulsions of oil and water produced from surfactant recovery operations whereby the produced emulsions containing surfactants are demulsified and the surfactants are recovered in the water phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.