Modular dual vessel dissolved aeration flotation treatment system
US8431022B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jun 14, 2011 |
| Grant date | Apr 30, 2013 |
| Priority date | — |
| Expiry date | Oct 21, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03D1/1481
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A modular dual vessel DAF includes a frame, adjacent treatment sections mounted to the frame and including a multi-stage flocculator, aeration injector and mix chamber, stilling well, separation tank, effluent weir having an enclosed peaked upper portion and bottom inlet, clear well with height adjustable risers, surface skimmer, inclined sludge plate, and a sludge collection section, wherein the treatment sections may operate independently, in parallel, or in series. A modular dual vessel DAF may include a separator plate pack in each separation tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.