Activated Sludge Process

Activated Sludge Process

Product Details:

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Product Description

Activated Sludge Process            

Technical Description of Activated Sludge Process           

The activated sludge process is the most important biological process in water treatment. Activated Sludge Process enables this process to be demonstrated. A pump delivers raw water contaminated with dissolved organic substances (organic matter) into the aeration tank. Aerobic microorganisms (activated sludge) in the aeration tank use the organic matter as a source of nutrition, biodegrading it in the process. Since aerobic microorganisms need oxygen, the raw water is aerated in the aeration tank. The activated sludge is mixed with the raw water by stirring machines. In the secondary clarifier the activated sludge is then separated from the treated water by sedimentation. A portion of the activated sludge is returned to the aeration tank (return sludge). The treated water is collected in a tank. The following flow rates are adjustable: raw water, return sludge, internal recirculation for pre-denitrification and air. Oxygen concentration, pH-value and temperature can be controlled.

Specification of Activated Sludge Process

  • Biological wastewater treatment
  • Aeration tank with 3 stirring machines
  • Secondary clarifier
  • Nitrification and pre-denitrification
  • Separate supply unit with 2 stirring machines
  • All relevant flow rates adjustable
  • Control of temperature, pH value and oxygen concentration
  • Measurement of flow rate, temperature, pH value and oxygen concentration
  • Visual inspection with webcam on PC

Technical Data of Activated Sludge Process

Aeration tank

  • l x w x h: 800x420x240mm
  • Capacity: 75L

Secondary clarifier

  • l x w x h: 500x500x515mm
  • Capacity: approx. 40L

Tanks

  • Raw water: 200L
  • Treated water: 80L

Pumps for raw water and return sludge

  • Max. Flow rate: each 25L/h
  • Max. Head: each 10m

Stirring machines

  • Max speed: each 600min-1

Measuring ranges

  • Flow rate (raw water): 2...25L/h
  • Flow rate (compressed air): 50...550L/h
  • Temperature: 0...50°C
  • PH value: 1...14
  • Oxygen concentration: 0...10mg/L

Dimensions and Weight of Activated Sludge Process

  • l x w x h: 1550x790x1150mm (supply unit)
  • l x w x h: 2900x790x1900mm (trainer)
  • Weight: approx. 480kg


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