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Media Filter Water Treatment BIRM

Rp. 123
Last Updated
24 Sep 2022
Country Origin
Indonesia
Minimum Order
1 ZAK

Specification of Media Filter Water Treatment BIRM

Birm is a trademark name of the Clack Corp. These iron filters use a type of granular filter media called “Birm”. It is manufactured from a type of natural pumice mineral coated with manganese oxide.

As the water flows through the filter tank containing Birm media, a reaction occurs where the dissolved oxygen and the dissolved ferrous iron compounds form an insoluble ferric hydroxide. In plain English, as water containing iron flows through the media, if there is enough oxygen in the water, the Birm causes the iron to form rust, or solid iron particles. After these rust particles get trapped in the filter media, once or twice a week they are automatically backwashed out to drain, and the filter media is ready to filter again.

The size of the filter system is directly proportional to the flow rate of the water, in gallons per minute. The higher the flow rate, the larger the system required. See our table for the flow rates for Birm iron filters.

The water must have a pH of 7.0 to 9.0. In addition, the dissolved oxygen content must be at least 15% of the iron or manganese content. For most wells deeper than 50 feet, an air injector must be used to introduce some additional oxygen in the water prior to the Birm filter. If the water being filtered is water from an open storage tank or spring, no additional air injection is usually required.

 


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