Removal of oily residues from aqueous waste streams
US5269934A · kind A · utility
11Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 6, 1992 |
| Grant date | Dec 14, 1993 |
| Priority date | — |
| Expiry date | Oct 6, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2311/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for removing oily residues from aqueous waste streams using a cross flow filtration system in which the efficiency of a dynamic membrane system comprising a gel layer and supporting semipermeable membrane is optimized by applying a controlled shear force parallel to the plane of the membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.