Method and apparatus for treatment of wastewater
US6858144B2 · kind B2 · utility
5Cited by
9References
18Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 4, 2001 |
| Grant date | Feb 22, 2005 |
| Priority date | — |
| Expiry date | Oct 4, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/908
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
The present invention provides a method for treatment of wastewater containing organic sulfur compounds The method includes introducing the wastewater into an apparatus body equipped with a fixed bed in which fixed carriers for the attachment of microorganisms are filled and a fluidized bed in which flowing carriers for the attachment of microorganisms are flown, and enabling the wastewater to flow through the fluidized bed towards the fixed bed so that the wastewater is biologically treated by the fluidized bed and the fixed bed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.