Method and a device for the purification of waste waters
US6602416B1 · kind B1 · utility
2Cited by
14References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 30, 2002 |
| Grant date | Aug 5, 2003 |
| Priority date | — |
| Expiry date | Apr 30, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12M47/10
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A method and a device for purifying waste water is described, in particular for an anaerobic purification, in a container receiving a medium under the development of gas, wherein the gas developing is caught by a gas collector, ingredients of the medium entrained by the gas are separated and the ingredients separated are passed back into the medium below the gas collector. In order to improve the purification effect in a constructively simple manner, it is suggested to take in medium from the upper portion of the container by a gas lifting effect of the rising gas and to conduct it back into the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.