Method of electroosmotically dehydrating sludge
US5279718A · kind A · utility
1Cited by
7References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 1992 |
| Grant date | Jan 18, 1994 |
| Priority date | — |
| Expiry date | May 22, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F11/15
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This disclosure relates to a process and apparatus for electroosmotic dehydration of sludge with aluminum salt added to the sludge to reduce the clogging of the filter cloths of the dehydrator, and to improve the cake release. The aluminum salt is preferably polyaluminum chloride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.