Moving bed filters
US5454959A · kind A · utility
48Cited by
25References
6Claims
0Family size
Inventor
Key dates
| Filing date | Dec 5, 1994 |
| Grant date | Oct 3, 1995 |
| Priority date | — |
| Expiry date | Dec 5, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D24/4869
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A moving bed filter in which the liquid to be filtered is introduced into an internal chamber centrally disposed in the filter bed. The liquid flows through the filter bed to filtration nozzles which are disposed near the outer periphery of the filter bed. A portion of the filter bed media is continuously removed from a recessed chamber below the floor of the filter bed, transported by gas lift through a lift conduit to a washbox located above the filter bed, and cleaned by a countercurrent flow of the filtrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.