Composition useful for conditioning sludge derived from the treatment of an aqueous medium and uses thereof
US6855268B1 · kind B1 · utility
0Cited by
9References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2000 |
| Grant date | Feb 15, 2005 |
| Priority date | — |
| Expiry date | Oct 6, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D21/262
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention concerns a composition useful for conditioning sludge obtained by mixing an invert emulsions containing at least a cationic polyelectrolyte with an invert emulsion or an aqueous solution containing at least a mineral cation with a charge not less than two. The invention also concerns the corresponding applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.