Densadeg XRC™ - Extreme-rate Clarifier



The Densadeg XRC is a unique combination of solids contact, ballast addition and solids recirculation principles providing enhanced, rapid treatment.

Extreme-rate treatment

The DensadegXRC™ is a high-rate settling clarifier process combining solids contact, ballast addition and solids recirculation to provide enhanced, high-rate settling of solids.


  • Extreme Loading Rates:
    • CSO/SSO: 40 – 60 gpm/ft2
    • Tertiary/Industrial: 30 – 50 gpm/ft2
  • Compact footprint = low installation cost
  • Ability to retrofit existing basins
  • Tertiary phosphorous removal <0.1 mg/L
  • Fast start-up time:
    • <10 minutes
    • No sludge inventory required for startup
  • Eliminates need for CSO storage
  • Pilot available


Product Videos

Densadeg XRC™ video
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The Densadeg XRC™ process is explained in this video animation.


Product sheet

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Main Features

  • Extreme-rate yields compact footprint
  • Enhanced TSS & BOD removal
  • Fully automated
  • High density ballast


  • Combined Sewer Overflows (CSO)
  • Sanitary Sewer Overflow (SSO)
  • Storm water treatment
  • Dual-purpose enhanced primary/CSO
  • Dual-purpose tertiary/CSO
  • Industrial Treatment
  • Tertiary phosphorous treatment