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DN-TanksDigesters and Sludge Storage Tank

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DN Tanks has extensive experience in the construction of sludge storage tanks and digesters, including open-top aerobic, pressurized anaerobic, and modified egg-shaped applications. With over 85 installations, we are experienced in building durable, low maintenance tanks to meet the rigorous demands of sludge digestion, sludge storage, as well as other applications.

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Design Flexibility

Our prestressed concrete tanks can be designed to efficiently accommodate tall side wall heights, sloped floors, multiple penetrations, and process equipment to meet the needs of digester and sludge storage tank applications. Our team of dedicated tank professionals are available to assist in the design of your project-specific needs, including the following design features.

  • Mixing Systems
  • Gas Harvesting Equipment
  • Fixed or Floating Steel Covers
  • Insulation to Meet Mesophilic (90°F) or Thermophilic (140°F) Operation
  • Membrane Covers
  • Aluminum Domes
  • Internal Piping
  • Odor Control Systems
  • Stairway and Catwalk Systems
  • Conical Sloped Floors
  • Interior Protective Coatings