Venturi air stripper

Aeration systems usually take one of three general forms: spray jet aeration, packed tower aeration, or multistaged bubble aeration. Below is a picture of an older more "visible" stripper. Aeration of the groundwater will cause precipitation of iron, manganese and hardness. When the pump turns off, the vent closes and the compressed air pocket is maintained. This moving target radon standard has caused manufacturers to develop many different types of aeration systems for radon removal.
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Air Stripping

This restricts water flow and often makes it difficult to size the filters which follow the unit, since iron filters often require significant backwash volume. The transfer of the contaminant takes place at the interface between the water and the air. Sieve trays also bubble air through water to generate surface area see Figure 5. Process and apparatus for high vacuum groundwater extraction. When the pump turns off, the vent closes and the compressed air pocket is maintained. Invented by Hazleton, Maxi-Strip is the only hydraulic venturi in the market.
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AIR STRIPPING TOWER | Ecowair

This allows the present invention to minimize head loss and thus be used in-line without "breaking head". As the service water passes through the air pocket, iron and H2S are oxidized and the oxidized contaminant is then caught by the filter in the bottom portion of the tank. A SumoBrain Solutions Company. The system is designed specifically for treatment of small to medium groundwater sources. Where there is iron, there is often manganese, which in very small amounts can cause black staining and odors. The method of claim 1 wherein the water source is divided into two water lines and the Venturi valve has a first end which communicates with one of the water lines and a second end which communicates with the other of the water lines.
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The air is mixed with the water inside the aeration tank at right. The sewage to deal it is pumped in the upper part of the tower and sprayed down to the bottom, there it meets the air flow in counter-current pushed by the fan. To achieve a high degree of radon removal at minimal head loss, an external air source 8 is preferred. Strippers are used most often to rid water of volatile organics VOCs and gasses like methane and radon. The pump and vent are controlled by the same electrical circuit so that when the pump is running, the vent is open and air is being exchanged. And larger air tanks can be used if more contact time is needed.
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