Webmaterial as much as possible, provided on-site soil is deemed suitable as per the Specifications below. Ideally, the concave segment (infiltration area) of the berm is excavated to a maximum depth of 12 inches and then used to construct the convex segment (crest of berm). 4. WebBirm® is an efficient and economical media for the reduction of dissolved iron and manganese compounds from raw water supplies. It may be used in either gravity fed or …
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WebBackwash & Flow Characteristics of Filter Media . Simple 5600 Filters Our most popular backwashing filter in a convenient size that fits most residential situations. Backwashing Filter Selection Page for Fleck Filters. Includes a … WebBIRM (105STS/MTS BF FILTER) For the reduction of dissolved iron and manganese . compounds. The Birm media is not consumed in the iron removal operation resulting in a low attrition loss. It has a wide temperature performance range and extremely . high removal efficiency. The media does not require chemicals for regeneration and portland maine winter festival
Birm™ Filter Media – Urbans Aqua
WebBirm: Density (lb/ft³): 46 Bed depth (inches): 30-36 Service flow (gpm/ft²): 3.5-5 Backwash flow (gpm/ft²): 10-12 Birm is a manufactured medium consisting of plastic coated with … WebBirm®, 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. … WebTemperature Range: 35-100o F Water pH range: 6.8-9.0 Dissolved Oxygen (D.O.) content must be equal to at least 15% of the iron and 29% of the manganese content. Bed depth: 30-36 in. Maximum Pressure Drop: 2-4 psi (14 -28 kPa) Freeboard: 50% of bed depth (min.) Backwash rate: 10-12 gpm/sq. ft. Rinse Rate: At service flow rate optima battery prices ph