System for removing pollutants from water
US6200469A · kind A · utility
42Cited by
20References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 23, 1998 |
| Grant date | Mar 13, 2001 |
| Priority date | — |
| Expiry date | Jun 23, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/903
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A system for removing pollution from water, utilizing a subsurface constructed wetland system using forced bed aeration and variable water levels, to promote greater root depth and better root structure of the wetland vegetation, and to establish staged anaerobic and aerobic zones within the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.