Plant-based sewage treatment system for purifying wastewater
US7754079B2 · kind B2 · utility
4Cited by
0References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 25, 2004 |
| Grant date | Jul 13, 2010 |
| Priority date | — |
| Expiry date | Nov 12, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W10/37
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
The invention relates to a plant-based sewage treatment system for purifying waste water including at least one planter, a supply unit which supplies waste water to be purified to the plant-based sewage treatment system, a discharge unit for discharging purified water from the plant-based sewage treatment system, and plants placed inside the planter. The plants are arranged, without a substrate, inside the planter. At least a portion of the planter is situated on a building roof. A space is provided between the planter and the building roof and an exchange medium from the building can be flowed through the space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.