Urbans Aqua Inc.

Anthracite Filter Media

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The anthracite coal used for filtration is primarily mined in Northeast Pennsylvania.  Anthracite is a harder and cleaner than bituminous coal making it an ideal component in filtration configurations.  (Bituminous coal is commonly used for the manufacture of activated carbon.)

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  • Anthracite is seldom used as a singular filtration media.  Combined with sand it is in-depth filtration; combined with garnet, sand and gravel it is a multi-media filter.
  • Anthracite has no chemical properties which enable it to remove or react with contaminants.
  • Anthracite has no temperature limits.
  • Use anthracite filter media certified to meet AWWA Standard B-100 and NSF/ANSI Standard 61.
  • Anthracite can be used in place of filter sand in applications sensitive to silica.
  • An “anthracite cap” (anthracite which is loaded on top of the greensand) is often used in greensand applications to capture iron and manganese precipitates.
  • Graded anthracite is often used as a sub-fill for industrial softeners and filters.  It is not recommended for granular activated carbon (GAC) filters if carbon reactivation is planned.
  • Anthracite is commonly used in municipal filtration.
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