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Anthracite typically produces consistent improvements in turbidity removal. Being a low uniformity coefficient media it also produces smaller changes in effluent turbidity during periods of peak influent turbidity. The anthracite filter media is produced from the highest quality coal available to ensure the physical characteristics of hardness, durability, and performance.
Conditions for Operation
Bed depth
Freeboard
Backwash flow rate
Backwash bed expansion
Service Flow Rate
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24 -36 inches
30 % of Bed depth (min.)
18 - 25 gpm / sq. Ft.
20 - 20 % of bed depth
5gpm / sq. or higher depending upon local condition
Physical Properties
Color
Bulk Density, Kg/M3
Solubility in 10% HCL
Specific Gravity
Hardness Mohs
Uniform Coefficients
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Off white / Snow White
1550
< 0.10
2.67
7 - 8
< 1.6