Patent · US Expired

Upflow clarifier

US5676834A · kind A · utility

5Cited by
28References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 16, 1996
Grant dateOct 14, 1997
Priority date
Expiry dateSep 16, 2016

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2221/14
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An upflow clarifier comprises an enclosure defining a bounded volume for holding liquid. An inlet is coupled to the enclosure, and an outlet is coupled to the enclosure above the inlet. A barrier is provided in the enclosure, between the inlet and the outlet. The barrier has a plurality of apertures therethrough, and the barrier defines an upper compartment above the barrier and a lower compartment below the barrier. A plurality of filter membranes are respectively mounted to the apertures, wherein liquid flowing through the apertures flows through the filter membranes. The filter membranes extend upwardly from the barrier.

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