Upflow clarifier
US5569381A · kind A · utility
3Cited by
22References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 24, 1995 |
| Grant date | Oct 29, 1996 |
| Priority date | — |
| Expiry date | May 24, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2221/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An upflow clarifier comprises an enclosure defining a bounded volume for holding liquid. An inlet is coupled to the enclosure, and an outlet is coupled to the enclosure above the inlet. A barrier is provided in the enclosure, between the inlet and the outlet. The barrier has a plurality of apertures therethrough, and the barrier defines an upper compartment above the barrier and a lower compartment below the barrier. A plurality of filter membranes are respectively mounted to the apertures, wherein liquid flowing through the apertures flows through the filter membranes. The filter membranes extend upwardly from the barrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.