Effluent treatment system
US5049265A · kind A · utility
31Cited by
15References
21Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 12, 1990 |
| Grant date | Sep 17, 1991 |
| Priority date | — |
| Expiry date | Feb 12, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/916
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An effluent treatment system 1, 70, 80 for treating effluent which has passed through a primary treatment step such as a septic tank 50 comprises a container 5 having inlets 7 for effluent and outlets 8 for filtered effluent. The container 5 contains a biological treatment medium 41 comprising a homogeneous mixture of young Sphagnum peat and an organic peat fibre. The medium 41 is covered by a layer 40 of peat fibre for distributing the effluent and another layer 44 of peat fibre is provided below the medium 41 to induce flow of treated effluent to the outlets 34.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.