Birm Iron & Manganese Filter Media by Clack 0.5cuft Part/Model # A8006

Clack's Birm is a efficient and economical media for the reduction and removal of dissolved iron and manganese.

Sold per 1/2 cuft

Part or Model # A8006

Download the full manufacturers spec sheet here.

ADVANTAGES

•  Under the proper conditions, no chemicals to purchase for maintenance. Regenerant 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 36-38 lbs./cu. ft.

PHYSICAL PROPERTIES

•  Color: Black
•  Bulk Density: 36-38 lbs./cu. ft.
•  Mesh Size: 12 x 50
•  Specific Gravity: 2.0 gm/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.
•  Temperature Range: 35-100oF
•  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) (∆P p increase from clean bed)
•  Freeboard: 50% of bed depth (min.)
•  Backwash rate: 10-12 gpm/sq. ft.
•  Rinse Rate: At service flow rate
•  Backwash Bed Expansion: 20-40% of bed depth (min.)
•  Service flow rate: 3.5-5 gpm/sq. ft. intermittent flow rates and/or favorable local conditions may allow higher flow rates

INFLUENT AND BACKWASH LIMITATIONS

•  Free chlorine concentration less than 0.5 ppm
•  Hydrogen Sulfide should be removed prior to contact with Birm media
•  Oil: None Present
•  Polyphosphates: None present
•  Organic Matter: Less than 5 ppm TOC