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Wastewater treatment system and method
| Details |
Inventors: DeBusk, Thomas A.;
Assignee: Azurea, Inc. (Orlando, FL)
Primary Examiner: Wyse; Thomas G.
Assistant Examiner:
Attorney, Agent or Firm: Allen, Dyer, Doppelt, Milbrath & Gilchrist
An improved wastewater treatment system requires less land usage and achieves greater control of the modular treatment processes embodied therein. A vertically stacked system contains at least two different treatment process zones, one atop the other and separated by a water-impermeable barrier, which reduces land area requirements. Water to be treated is directed from one treatment process to the other sequentially and exits the system in a purified condition. |
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DETAILED DESCRIPTION It is an object of the present invention to provide a water and wastewater treatment system and method that are less land intensive than previous systems.
It is another object to provide such a system and method that combine the advantages of a plurality of remediation techniques.
It is an additional object to provide such a system and method that can treat effluents having a variety of contaminants.
It is yet another object to provide such a system and method that include a modular approach.
These and other objects are achieved by the wastewater treatment system and method of the present invention, which is amenable to the treatment of, for example, contaminated surface water, contaminated ground water, domestic wastewater, industrial waste or process water, acid mine drainage, urban runoff, contaminated estuarine or near-shore ocean water, agricultural wastewaters or runoff, and even sludges.
The types of contaminants that can be treated in the system include suspended particles, nutrients, metals, simple organics (oxygen-demanding substances), and synthetic or complex organics.
The invention addresses a vertically stacked water treatment system that also comprises a water-impervious treatment bed.
Adjacent a bottom of the treatment bed is positioned a first treatment means for purifying wastewater.
In use incoming wastewater is directed into the first end of the first treatment means, from which the water flows through the first treatment means to the second, opposite end, being treated along the flow path.
The partially treated water is then pumped upward to a second, different treatment means, positioned atop the first treatment means, and the water then flows from a second end to a first end of the second treatment means.
The first and the second water treatment means are separated by a water-impermeable barrier positioned atop the first treatment means, which prevents water being treated from commingling.
System effluent is then directed from the first end of the second treatment means to an exterior of the treatment bed
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