In the double-layer (multilayer) Filtration, the magnetite media are essential main filter material, magnetite filter due to the use of the smallest particle size in the double-layer (multilayer), filter filters for water treatment in all acts last check, so if the quality magnetite filter is directly related to water quality final.
In most domestic industrial water treatment, filtration forms are used in the form of pressure filters, pressure filters and filter pressure backwash pressure was relatively large, for use in a major magnetite cushion than litter can be compared with the large backwash pressure. If you use a small proportion of the litter or fail, appear likely to cause filter and litter mixed layer during backwash filter quickly lose filtration. Magnetite filter for pipes Large resistance to water distribution system, three-filter is necessary a filter material, mainly the improvement of the supporting layer and the water distribution system has a good ability to apply, high strength, fast filter backwash mixed layer is not easy. In addition, It addition to iron, manganese, fluoride effect is very obvious.
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