Anthracite Filter Media is commonly used as sub-fill and as a component of multi-media filters. Anthracite is a durable media with long life and a wide temperature range. It contains no silica to interfere in the production of ultra pure water.
KEY FEATURES AND BENEFITS :
- No chemicals to purchase for maintenance.
- Durable material with long life and temperature range.
- Requires lower backwash rate.
- Ideal for DI sub-fill requirements and hot process filtering applications.
- Contains no silica.
|Bulk Density||50 lbs./cu. ft|
|Effective Size||0.60 – 2.30 mm|
|Uniformity Coefficienty||1.3 – 1.7|
|Hardness||3.0 – 3.8 (Mohs scale)Operational Specifications|
|Bed depth||24 – 36 in., 10 – 18 in. for multibed filters|
|Freeboard||50% of bed dept (min.)|
|Service flow rate||5 gpm/sq. ft. or higher depending upon local conditions|
|Backwash flow rate||12 – 25 gpm/sq. ft. depending upon mesh size|
|Backwash expansion rate||20 – 40% of bed depth|