Patent · US Expired

Device for separating supernatant, in particular liquid pollutant, e.g. oil and the liquid, e.g. water

US5560826A · kind A · utility

31Cited by
11References
7Claims
0Family size

Inventors

Key dates

Filing dateSep 16, 1994
Grant dateOct 1, 1996
Priority date
Expiry dateSep 16, 2014

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D17/0214
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An apparatus for separating supernatant pollutant, such as oil, from a liquid, such as water is disclosed. The apparatus comprises a receiving tank and a separating tank. The receiving tank has a wall dividing the tank into a first vessel receiving the liquid mixture and having a self-adjusting weir, and a second vessel. The separating tank has a first receptacle separated from the first vessel by a partition along which the self-adjusting weir is located, and a second receptacle connected to the first receptacle. The first receptacle has an outlet for draining the supernatant, while the second receptacle and second vessel have outlets for draining the cleaned liquid.

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