- SF30 - Plastic Media for Trickling Filters

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Bio-Pac - SF30 - Plastic Media for Trickling Filters
Random plastic media for trickling filters, submerged beds, and anaerobic reactors. UV stabilized polypropylene media capable of redistributing wastewater every 2” of media depth. Excellent for use in shallow trickling filter applications. Also used extensively in upflow anaerobic and aerobic submerged bed reactors.

Bio-Pac SF#30 is ideally suited for either replacing rock in existing trickling filters to improve treatment plant performance or for installation in new trickling filters.

Media Characteristics:

  • 30 ft2/ft3 surface area
  • 95% void ratio
  • Manufactured of UV stabilized polypropylene
  • Low installation cost
  • Excellent for BOD reduction or nitrification
  • Low minimum wetting rate, 150 gpd/ft2
  • For bed depths up to 30 ft.

Bio-Pac SF#30 random dump media is successfully operating in over 100 trickling filters. With over 300 mixing and redistribution points for both air and water per cubic foot of media, Bio-Pac is capable of redistributing wastewater every 2” of media depth. This feature makes Bio-Pac ideal for shallow trickling filters.

Bio-Pac SF#30 has also been used extensively in upflow anaerobic and aerobic submerged bed reactors. Since the media floats, use of an underdrain support is eliminated. Furthermore, Bio-Pac’s unique shape serves as a foam breaker when installed in anaerobic reactors.

Jaeger Environmental has been manufacturing trickling filter media since 1979 and has hundreds of installations worldwide.

Typical Bio-Pac SF#30 Trickling Filter Section

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N-Dec Random Media Underdrain

N-Dec is manufactured of HDPE including carbon black to minimize ultra-violet degradation. The panels are strong and light weight, but flexible enough to allow self contouring to variations in the trickling filter floor. Having a 62% open area, N-Dec will provide un-impeded passage of air, wastewater, biomass and solids, virtually eliminating the risk of ponding or blockage. Each panel includes 9 intrinsic equally spaced legs. Each leg measures 6 1¼2 inches high, allowing space for treated effluent and air.

Raschig USA Inc.
Raschig USA Inc.
2201 E. Lamar Blvd., Suite 240
Arlington ,  Texas 76006

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