Removal of acidic organic contaminants from refinery waste water
US5705074A · kind A · utility
27Cited by
13References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 19, 1996 |
| Grant date | Jan 6, 1998 |
| Priority date | — |
| Expiry date | Nov 19, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/909
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process is described whereby phenolics and other water soluble, organic materials are removed from certain aqueous refinery waste streams by an extraction process whereby the brine is contacted with a hydrocarbon solvent containing at least about 2% by weight of a trialkylamine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.