inDENSE™
Hydrocyclone Wasting

Using gravimetric sludge selection on conventional activated sludge (CAS) systems increases throughput, improves settling rates and promotes enhanced biological phosphorus removal (EBPR).

Our inDENSE technology optimizes the performance of your CAS and clarifiers by offering a more stable operation while saving money.

Safe and Optimized Performance

Better Separation

As a gravimetric selection technology, inDENSE retains denser biomass while the lighter fraction of the mixed liquor suspended solids (MLSS) flows out as waste activated sludge (WAS). Promoting higher densities improves sludge settling characteristics, preventing the loss of biomass and other treatment disruptions — especially during wet and cold weather events.

An Optimized Design

Promoting faster settling particles, optimized process configurations and physical selective forces encourage densified sludge formation. Hydrocyclones force denser flocs and solids to the cyclone walls and down through the underflow to be recycled, while lighter solids move toward the cyclone center and are pushed upwards through the overflow to be wasted.

By implementing external mechanisms for selective sludge wasting and optimized biological process configuration, facilities can streamline their operations at the lowest capital cost.

Enhanced Sludge Properties

  • Promotes denser sludge selection
  • Minimizes sludge loss

Improved Water Quality

  • Enhances nitrogen and phosphorus removal
  • Addresses poor settling of mixed liquor suspended solids (MLSS)

Operational Benefits

  • Reduces or eliminates chemical requirements
  • Easily integrates into any existing plant
  • Promotes a rapid return on investment
  • Offers operational stability
  • Improve sludge volume index (SVI)

Case Studies

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