‘MGA’ Commercial and Industrial Iron Filters

MGA-Commercial-Water-Filter‘MGA’ Commercial and Industrial Iron Filters – Filter system capable of reducing iron, manganese, and hydrogen sulfide using manganese greensand filter media. Manganese greensand is formulated from a glauconite coated with varying types of manganese oxides. Soluble iron, manganese, and hydrogen sulfide are then oxidized and precipitated by contact with these oxides. Precipitates are then filtered and removed by the backwash step. Oxidative capacity of the media must be restored through either periodic regeneration with a weak potassium permanganate (KMnO4) solution or a continuous chemical feed of KMnO4, chlorine, or a combination of both.

How To Size Industrial Water Filters

In addition to service flow, the selection of a filter system must take into account the available backwash flow rate. This is the most important function in the proper operation of a filter for industrial water purification. Periodically, the accumulated impurities (iron, sediment, etc.) must be removed (backwashed) from the filter. Backwash flow rates are always much higher than service flow rates and therefore limit the size of filter that can be installed. As a general rule in sizing filters, select the largest filter that can be backwashed with the flow rate available at the point of filter installation, then note the service flow rate for the filter selected. If it is not adequate for the flow to be treated, a twin or triple filter installed in parallel is required. A parallel installation will increase the service flow while permitting each filter to be backwashed separately with the existing water supply.

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