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Biofilter media


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Biofilter media products

We supply a range of biofilter media. This product is sold by the cubic metre.

allmedia-s
These products are suited to fluidized or moving bed tank systems. These are also called “Biofilm Reactor (MBBR)” systems and are used for the treatment of water and wastewater.

Model

Size (mm)

Density (g/cm3)

Specific

Surface

Area (m2 /m3)

Biofilm formation

duration (days)

Nitrification

efficiency

Preferential

temperature (oC)

Services

life (years)

BFCLO1

Φ12 x 1 0

1.3

>800

5-15

650

<65

>10

BFCLO2

Φ11 x 1 0

1.4

>800

5-15

750

<65

>10

BFCLO3

Φ10 x10

1.68

>900

5-15

850

<65

>10

BFCLO4

Φ14 x 10

1.25

>650

5-15

500

<65

>10

BFCL05

Φ25 x 1 2

>0.95

>500

5-15

400

<65

>10

Self cleaning due to turbulence

Due to the turbulent movement of the biofilter media in suspension, the filter medium is self-cleaning, requiring no maintenance. This allows the filter to reach optimum effectiveness without the disturbance of periodic maintenance, avoiding unnecessary loss of bacteria within the filter. This allows stable, low levels of ammonia and nitrite within the water.

BFCLO1
 

BF-CLO1
filtermedia3

 

BFCLO2

BF-CLO2
BF-CLO1-2

BFCLO3

BF-CLO3
filtermedia2

 

BFCLO4

BF-CLO4

 

BFMCLO5

BF-CLO5
filtermedia4

The first few of these products are similar to the patented Kaldnes media used in fish farming and waste water treatment. The design creates an environment for effective nitrification to take place. Water flow is created by aeration that circulates the media throughout the vessel. This high surface area of these products translates into a small physical area needed for the biofiltration unit.

Due to vigorous mixing of the Kaldnes-like media through aeration, the media is self-cleaning, requiring no maintenance. This allows the filter to reach optimum effectiveness. Periodic maintenance is not necessary, preventing the unnecessary loss of bacteria and subsequent ammonia and nitrite spikes in the system.

Media volume needed

With good turbulence and aeration, between 0.25kgs  and 0.75kgs of 40% protein food per 50 litres of media per day is needed.

email ecotao for more information | Cellular: 0823903989 |
| VAT 4590247682 | Ecotao Enterprises cc | CK 2001/053814/23 | PO Box 1524, Stanger, 4450, South Africa |

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