Patent · US Active

Modular dual vessel dissolved aeration flotation treatment system

US8431022B2 · kind B2 · utility

2Cited by
3References
20Claims
0Family size

Inventor

Key dates

Filing dateJun 14, 2011
Grant dateApr 30, 2013
Priority date
Expiry dateOct 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.