Waste treatment apparatus
US3956129A · kind A · utility
13Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1974 |
| Grant date | May 11, 1976 |
| Priority date | — |
| Expiry date | Nov 5, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F3/2806
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An apparatus for denitrifying waste water including means for: generating a fluidized bed containing denitrifying biota on a particulate carrier, metering a carbon source into the waste water and mechanically removing excess bacterial growth from the carrier at predetermined intervals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.