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CE 581 Water Treatment Plant 1
Education / GUNT Hamburg / Process Engineering / Water Treatment /

Depth filtration, adsorption and ion exchange are key unit operations in water treatment. CE 581 enables these three operations to be demonstrated.
  The raw water is pumped from above into a gravel filter and then routed into a sand filter. In the process, suspended solids are removed from the raw water. The filtered water then flows into the second treatment stage. There dissolved substances are removed by adsorption on aluminium oxide and on activated carbon. Then the water passes on to the third treatment stage. In this stage unwanted ions are removed from the water by ion exchange. First the water is softened by cation exchange. The water is then desalinated in a mixed bed ion exchanger containing cation and anion exchangers.

  The separate supply unit includes pumps and tanks for the raw water and treated water. The raw water tank can be aerated. This ensures the raw water is mixed through. It also enables dissolved substances (such as iron) to be precipitated so as to then filter them. A connection to backwash the sand filters is provided.
  The flow rate, temperature, conductivity, differential pressure and system pressure are measured. Samples can be taken at all relevant points. A software program is provided to control the operating states and measure data. A process schematic shows the current operating states of the individual components and the measured data.

  The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments.


Learning Objectives / Experiments

- Learning the fundamental principle of the unit

  operations depth filtration, adsorption and ion

- Observation and determination of the pressure loss

  in depth filtration
- Plotting of breakthrough curves (adsorption)
- Comparison of various adsorption materials
- Familiarisation with the fundamental principle of ion



[1] 3 unit operations in water treatment: depth filtration, adsorption, ion exchange
[2] Gravel filter, sand filter, aluminium oxide adsorber, activated carbon adsorber, cation exchanger, mixed bed ion exchanger
[3] Separate supply unit with tanks for raw water and treated water
[4] Raw water tank with possibility of aeration
[5] Gravel filter and sand filter with differential pressure measurement
[6] Flow rate measurement of raw water
[7] Measurement of conductivity and temperature after each treatment stage
[8] LabVIEW software with control functions and data acquisition via USB under Windows XP or Windows Vista

Technical Data

Raw water pump
- max. flow rate: 420L/min
- max. head: 20m
Gravel filter, sand filter and adsorbers
- diameter: each 200mm
- height: each 650mm
Ion exchanger tank
- diameter: each 240mm
- height: each 410mm
Tanks for raw water and treated water
- capacity: each approx. 180L
Measuring ranges
- flow rate: 0...1300L/h

- system pressure: 0...4bar
- differential pressure: 0...2.5bar
- conductivity: 0...600μS/cm
- temperature: 0...50°C


Dimensions and Weight

l x w x h: approx. 1300 x 800 x 950 mm (supply unit)
l x w x h: approx. 1700 x 800 x 2100 mm (trainer)
Total weight: approx. 270 kg

Required for Operation

230V, 50Hz, 1 phase or

208V, 60Hz, CSA, 3 phases

Compressed air connection recommended
Water connection required

Scope of Delivery

1 trainer
1 supply unit
1 packing unit of aluminium oxide
1 packing unit of activated carbon

1 set of hoses
1 LabVIEW software CD + USB cable
1 set of instructional material

Order Details
083.58100  CE 581  Water Treatment Plant 1