Patent · US Active

Screened decanter assembly for a settling tank

US8398864B2 · kind B2 · utility

9Cited by
12References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 21, 2010
Grant dateMar 19, 2013
Priority date
Expiry dateMar 31, 2031

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F2303/24
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A driven decanter assembly for a wastewater primary treatment system, comprising a longitudinal decanter disposable in the wastewater and having a longitudinal trough and a horizontal entrance weir, a polygonal or arcuate screen attached to the decanter and having at least two screen surfaces disposable below the surface of the wastewater outside of the trough, and a floating baffle pivotably mounted to the decanter and disposable in the wastewater outside of the screen. The driven decanter assembly can directly replace a prior art driven decanter in any waste water primary treatment system.

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