Apparatus and method for removing pollutants from wastewater
US3959131A · kind A · utility
46Cited by
14References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 1974 |
| Grant date | May 25, 1976 |
| Priority date | — |
| Expiry date | Oct 17, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2303/04
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A flow of polluted raw wastewater may first be treated with a coagulant, then it is rapidly mixed with very fine bubbles supplied beneath the wastewater flow and may then be treated with a flocculant, after which the pollutants are separated from the water by skimming off the surface of the wastewater.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.