Patent · US Expired

Means for water and wastewater treatment

US4859327A · kind A · utility

10Cited by
10References
8Claims
0Family size

Inventors

Key dates

Filing dateDec 18, 1987
Grant dateAug 22, 1989
Priority date
Expiry dateDec 18, 2007

Classification

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

Abstract

A treatment system for water or wastewater is provided, comprising a tank having a substantially circular continuous sidewall and a bottom; a mixing device, for mixing and circulating liquid within the tank, positioned within the tank; and an intra-channel clarifier, positioned within the tank between the center of the tank and the sidewall such that the clarifier will be partially submerged when the tank contains liquid, the clarifier including a bow, a stern, side walls, an entry opening and at least one discharge port in the bottom, the clarifier having an elongated shape such that the side walls are generally parallel to the sidewall of the tank.

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