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 Products:  Process Engineering » Water Treatment » Biological Processes » CE 701
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CE 701: Biofilm Process

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Biofilm Process

Product Details

Technical Description
The fixed biofilm process is an aerobic biological process. CE 701 demonstrates this process.
A pump transports the raw water from a storage tank into a rotating biological contactor. This consists of a large number of single disks arranged on a common shaft and roughly half immersed in the water. A thin film of micro-organisms (biofilm) forms on the disks. The micro-organisms degrade the dissolved organic matter in the raw water. The rotation of the disks causes the biofilm to come into contact alternately with raw water and air. This supplies the biofilm with oxygen. Over time, some of the biofilm sloughs off and exits the tank together with the water. The detached biofilms are then separated from the water in a final sedimentation tank.
Samples can be taken at all relevant points. The rotation speed of the biodisk and the delivery flow rate of the raw water can be varied.

Learning Objectives / Experiments
- Familiarisation with the biofilm process
- Influence of various operating parameters on the process
  (e.g. flow rate and disk rotation speed)

* Aerobic biofilm processes: Biodisk
[1] Biological, aerobic water treatment by the biofilm process
[2] Tank with rotating biological contactor
[3] Separate final sedimentation tank
[4] Flow rate of the raw water and rotation speed of the biodisk adjustable

Technical Data
- diameter: approx. 300mm
- width: approx. 300mm
- number of disks: approx. 20
- speed: approx. 2...10rpm
- tank: approx. 30L
- final sedimentation tank: approx. 30L
- raw wastewater water tank: approx. 200L
Raw wastewater pump: max. flow rate approx. 25L/h

Dimensions and Weight
l x w x h: 2000 x 750 x 1,960 mm (experimental stand)
l x w x h: 1300 x 750 x 800 mm (service unit)
Weight: approx. 200 kg

230V, 50Hz, 1 phase

Scope of Delivery
1 experiment stand
1 service unit
1 set of instructional material

Order Details
083.70100  CE 701  Biofilm Process

SELKA GmbH, Hamburg
Grindelallee 188, 20144 Hamburg / Germany
Tel.: + 49 (0) 40 343453 |  Fax: +49 (0) 40 63657075
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