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Birm Iron Filter Media (3/4 Cubic Foot Bag)

$90.95

3/4 Cubic Foot Bag of Birm Iron Filter media

SKU: BIRM-R-75-BOX Category:

Description

Birm® is an efficient and economical method of removing dissolved iron and manganese compounds from raw water supplies. It may be used in either gravity fed or pres­sur­ized water treatment systems. Birm® acts as an insoluble catalyst to enhance the reaction between dissolved ox­y­gen (D.O.) and the iron compounds. In ground waters, the dissolved iron is usually in the ferrous bicarbonate state due to an excess of free carbon dioxide and is not filterable. Birm®, acting as a catalyst between the oxygen and the soluble iron com­pounds, enhances the oxidation reaction of Fe++ to Fe+++ and produces ferric hydroxide which precipitates and may be easily filtered. The phys­i­cal characteristics of Birm® provide an excellent filter media which is easily cleaned by back washing to remove the precipitant. Birm® is not consumed in the iron removal and therefore offers a tremendous economic advantage over many other iron removal methods.

Birm® may also be used for manganese removal with the same dependability as iron removal. In these ap­pli­ca­tions the water to be treated should have a pH of 8.0 to 9.0 for the best results. If the water also contains iron, the pH should be below 8.5. High pH conditions may cause the formation of colloidal iron which is very difficult to filter out. All other conditions remain the same for either manganese or iron removal.

Birm is used to remove dissolved iron and manganese. The pH must be above 6.8 and dissolved oxygen content must be equal to 15% of the iron and manganese content. No regeneration is required, only periodic backwashing.