Integrated hydroponic and wetland wastewater treatment systems and associated methods
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United States of America Patent
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Dec 14, 2004
Grant Date -
Jun 19, 2003
app pub date -
Nov 14, 2002
filing date -
Nov 14, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The wastewater treatment systems have a plurality of treatment modules between the inlet and the outlet, each for treating water with a selected process. Influent is directed to a covered anaerobic reactor, and then to an attached growth pretreatment filter that is at least intermittently exposed to atmospheric oxygen. Following the filter are a first and a second hydroponic reactor in series, followed in turn by a vertical-flow wetland. A second embodiment includes, following the filter, two or more tidal vertical-flow wetlands in series, and a pump for recycling water exiting the final wetland upstream of the filter.
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