Traveling Bridge Filtration – AquaDiamond

Aqua Aerobics AquaDiamond Cloth Media Filter is a unique combination of two proven technologies; traveling bridge and cloth media filters. The result in up to 3x the flow capacity of a traveling bridge filter within an equivalent footprint, making it ideal for sand filter retrofits.

  • Filtration process requires no moving parts.
  • Utilizes the exclusive Optifiber cloth filtration media
  • Low energy consumption
  • Continuous Filtration even during backwash
  • Retrofit existing Traveling Bridge Filters with minimal civil modifications to get 3x flow capacity


  • Tertiary filtration
  • Phosphorus removal
  • New and retrofit plants
  • Reuse / Recycle (California Title 22 approval)

Why Cloth Media?

It’s not just “hydraulic loading” rate, but also “solids loading” rate that matters for an effective Tertiary Device (especially when filtering TSS and precipitated phosphorus solids).

  • Provides solids loading rate that is 7 to 12 times of a microscreen.
  • Extending filter fun time between backwashes with thousands of hair-like fibers to intercept and store solids particles.
    • Less frequent backwash to downstream processes (ie. UV).
      • During demanding conditions (plant upset or storm conditions) microscreen backwashing can result in a high frequency or continuous backwash providing an unplanned additional flow of 10% or more to the UV system. Ensure your downstream systems can accommodate excessive backwash from competitor microscreens.
  • Solids Removal (L/d) of technologies
    • Cloth Media= 700
    • Microscreen = 1
    • Deep Bed Filter = 700-1200
  • Surface Depth of Screen
    • Cloth = 3 to 5 mm
    • Microscreen = 0.06 mm
      • Cloth has 83x more depth


The cloth media is completely submerged during filtration where solids are deposited on the outside of the cloth as the influent wastewater flows through the media. The filtered effluent is collected inside the diamond lateral and flows by gravity on to discharge. The filtration process requires no moving parts.

Increased headloss due to the deposited solids automatically initiates periodic backwashing. During backwash, a pump provides suction to the backwash shoes, which make direct contact with the media, allowing solids to be vacuumed from the cloth as the platform traverses the length of the diamond laterals.

The platform operates only during backwashing and solids collection. Because of the vertical orientation of the media, some solids will settle to the basin floor during normal operation. Small suction headers provide a means for collecting and discharging the settled solids. The solids collection process utilizes the backwash pump for suction.

Product Assistance

Please describe the products or service needs in the short form below and our technical assistants will work closely with you to ensure you have all necessary parts shipped instantly. You can also call our experts at 800-366-7867.

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