Stormwater treatment system
US6547962B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2001 |
| Grant date | Apr 15, 2003 |
| Priority date | — |
| Expiry date | Jun 27, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D21/2444
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus for separating floating and non-floating particulates from drain water wherein said apparatus includes a first chamber for collecting non-floating particulates, a second chamber for collecting floating particulates, and a third chamber through which treated drain water can be discharged from the apparatus. An inlet pipe for introducing drain water into the first chamber is provided tangential to the first chamber to provide a vortex flow of drain water into said first chamber. An outlet pipe providing flow of drain water from the first chamber to the second chamber has an inlet at the vortex of drain water flow in the first chamber and an outlet that is spaced a predetermined distance from the floor of the chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.