Process for drying filtration residue
US4217700A · kind A · utility
9Cited by
4References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 4, 1978 |
| Grant date | Aug 19, 1980 |
| Priority date | — |
| Expiry date | Dec 4, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/0484
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for drying solid residues obtained in filtration processes, in which the residue is first dried by passing a gas through it while it is still on the filter elements, and then whirl drying the residue in a lower portion of the reaction vessel. A system in which the drying gas is circulated is described. This results in a process which permits the preparation of dry filter residues which are easily transportable and avoids problems of separation from the filter elements while still wet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.