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Contact SupplierIron removal plants can be based on different filtration media, depending on the iron and manganese concentration, the oxygen level, CO2 content and hardness of the water.
Plant principle:
First, air is injected in order to oxidize the iron. The oxidized iron will then precipitate on a sand filter. An MnO2 layer in the sand bed will catalyze the oxidation of residual iron. Backwash will be done by water and by air.
Filtration Media choice are:
- Sand + MnO2 for high iron concentrations
- Calcite for acidic waters
- Birm
- Greensand
Other oxidation chemicals can be used for highly contaminated waters
-Ozone
- Chlorine
- Chlorine Dioxide
These chemicals also have a biocide effect but might interact with other component.
Plant general specifications:
Deironing | |||||||||||
Flow (m3/h) | 1 | 2 | 3 | 5 | 7 | 10 | 25 | 35 | 45 | 60 | 85 |
Filter diameter (m) | 0,4 | 0,5 | 0,6 | 0,8 | 0,9 | 1,1 | 1,6 | 2,0 | 2,4 | 2,5 | 3,0 |
Filter total height (m) | 1,8 | 1,9 | 2,0 | 2,0 | 2,1 | 2,0 | 2,3 | 2,4 | 2,6 | 2,7 | 2,9 |
Media volume (m3) | 0,1 | 0,2 | 0,3 | 0,6 | 0,8 | 1,1 | 2,4 | 3,8 | 5,2 | 5,9 | 8,5 |
Power consumption (kW) | 0,1 | 0,3 | 0,4 | 0,7 | 1,0 | 1,4 | 3,4 | 4,8 | 6,1 | 8,2 | 11,6 |