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Ultra Pure Water Treatment L.L.C , Dubai, U.A.E.
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Description Birm Media:
Birm is an efficient media to remove dissolved iron and manganese compounds from raw water supplies. It acts as an insoluble catalyst to enhance the reaction between dissolved oxygen and the iron compounds.
Other advantages of birm include long material life with relatively low attrition loss, a wide temperature performance range and extremely high removal efficiency. Under proper water conditions, no chemicals are required for maintenance. Regeneration is not required.
Under the proper conditions, no chemicals to purchase for maintenance. Regeneration not required.
Iron removal efficiency is extremely high.
Negligible labor cost: Only periodic backwashing required.
Durable material with a long life and wide temperature range.
Weighs only 40-
Bulk Density: 40-
Mesh Size: 10 X 40
Specific Gravity: 2.0gm/CC
Effective Size: 0.48 mm
Uniformity Coefficient: 2.7
CONDITIONS FOR OPERATION
Alkalinity should be greater than two times the combined sulfate and chloride concentration.
Maximum water temp: 100° F/38° C
Water pH range: 6.8-
Dissolved Oxygen (D. O. ) content must be equal to at least 15% of the iron (or iron and manganese) content.
Bed depth: 30-
Freeboard: 50% of bed depth (min. )
Backwash rate: 10-
Backwash Bed Expansion: 20-
Service flow rate: 3.5-