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Bio-towers
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Aquatic Enterprises fixed film biological filter towers are a simple, cost effective alternative to other types of moving media filters. These trickle type filtration towers continuously oxygenate the water as it passes down the media. An added benefit is the carbon dioxide removal provided by a counter current airflow. Our smaller units (up to 24 cu. Ft of media) are made with durable corrosion resistant ABS plastic, and our larger units are gel-coated fiberglass. All our towers are fitted with an air inlet port located just below the media. Both the de-gassing columns and trickle towers can come complete with a blower pre-installed.
Our towers are uniquely designed to provide a positive air flow through the media, counter to the current of the water, insuring 100% of the air introduced to the tower exits through the outlet port (located on the top of the unit).
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All our towers incorporate a water inlet port union, which manifolds to an internal, maintenance-free nozzle(s). We offer three different types of structured media, depending on your application. Our standard media, for biological filtration offers 119 sq. ft./ cu. Ft. We also offer a higher density media, where incoming water is filtered for solids removal. This media has 132 sq. ft/ cu ft. surface area, with a biomass area of up to 300 sq. ft/cu. Ft. Our units designed with an emphasis of CO2 removal, utilize a media with 69 sq. ft. /cu ft. of effective surface area.
The media we incorporate in these towers is of a cross flow design, increasing contact time to water and air.
We can offer these towers with a substrate support plate for loose media applications.
| Bio-Towers for Biological Filtration |
| Model No. |
Dims (LxWxH) |
Media Ft.3 |
Water flow rate |
Air flow rate |
Plumbing in/out |
| BF1 |
1 x 1 x 4 |
2 |
6 - 12 gpm |
1 - 3 cfm |
2" / (1x) 2" |
| BF2 |
1 x 1 x 5 |
3 |
6 - 12 gpm |
1 - 3 cfm |
2" / (1x) 2" |
| BF3 |
1 x 1 x 6 |
4 |
6 - 12 gpm |
1 - 3 cfm |
2" / (1x) 2" |
| BF4 |
1 x 1 x 7 |
5 |
6 - 12 gpm |
1 - 3 cfm |
2" / (1x) 2" |
| BF5 |
1 x 1 x 8 |
6 |
6 - 12 gpm |
1 - 3 cfm |
2" / (1x) 2" |
| BF6 |
2 x 1 x 4 |
4 |
12 - 24 gpm |
3 - 6 cfm |
2" / (2x) 2" |
| BF7 |
2 x 1 x 5 |
6 |
12 - 24 gpm |
3 - 6 cfm |
2" / (2x) 2" |
| BF8 |
2 x 1 x 6 |
8 |
12 - 24 gpm |
3 - 6 cfm |
2" / (2x) 2" |
| BF9 |
2 x 1 x 7 |
10 |
12 - 24 gpm |
3 - 6 cfm |
2" / (2x) 2" |
| BF10 |
2 x 1 x 8 |
12 |
12 - 24 gpm |
3 - 6 cfm |
2" / (2x) 2" |
| BF11 |
2 x 2 x 4 |
8 |
24 - 48 gpm |
6 - 12 cfm |
2" / (2x) 3" |
| BF12 |
2 x 2 x 5 |
12 |
24 - 48 gpm |
6 - 12 cfm |
2" / (2x) 3" |
| BF13 |
2 x 2 x 6 |
16 |
24 - 48 gpm |
6 - 12 cfm |
2" / (2x) 3" |
| BF14 |
2 x 2 x 7 |
20 |
24 - 48 gpm |
6 - 12 cfm |
2" / (2x) 3" |
| BF15 |
2 x 2 x 8 |
24 |
24 - 48 gpm |
6 - 12 cfm |
2" / (2x) 3" |
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*Media: 119 Ft.2 / Ft.3 surface area
132 Ft.2 / Ft.3 - Optional |
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| - Units come
complete with media and blower mount |
| - Fully assembled |
| - Blower available
(with 8' cord) |
| - Air & water
inlets equipped with quick disconnect unions |
| - Air exhaust
outlet equipped with quick disconnect union |
We offer a wide variety of loose media for a number of differing applications.
- Non-corrosive materials
- Simple design
- Maintenance free nozzles
- Counter current technology
- Cross flow media
- Quick disconnect ports
- Atomizing zone above media
- Custom sizing available
Aquatic Enterprises de-gassing towers and biological filter towers are both available in non-insulated ABS, insulated PVC, and fiberglass materials. All are non-corrosive.
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