Patent · US Expired

Floating, mixing, aerating and decanting unit

US4997557A · kind A · utility

19Cited by
21References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 19, 1989
Grant dateMar 5, 1991
Priority date
Expiry dateMay 19, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W10/10
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A mixing, aerating and decanting unit adapted for floating installation in a liquid treatment basin and operable to provide mixing, aeration, settling and decanting phases in an SBR (sequencing bath reactor) process. The unit comprises a rigid support structure with floats for buoyantly supporting the unit in the basin, a mixing apparatus operable to mix liquid in the basin, an aerating apparatus selectively operable to supply air to the water in the basin, and a decanter apparatus for decanting liquid from the basin.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.