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PRODUCT
CE 583 Adsorption
Education / GUNT Hamburg / Process Engineering / Water Treatment /
description

CE 583 demonstrates the removal of dissolved substances by adsorption. During adsorption the substances dissolved in the raw water are called adsorbate.
  A pump transports the water from a tank in a circuit with two adsorbers filled with activated carbon.  The pump transports treated water to the first adsorber. A concentrated adsorbate solution is added to the treated water flow using a metering pump. The raw water produced in this way enters the adsorber and flows through the activated carbon fixed bed. Here the adsorbate adsorbs on the activated carbon. To remove any quantities of adsorbate still present from the water, the water then flows through a second adsorber (safety adsorber). The treated water is returned to the feed line of the first adsorber where concentrated adsorbate solution is added once again. This creates a closed water circuit.

   The flow rates of both pumps can be adjusted. Thereby the following parameters can be varied:
- concentration of the adsorbate in the raw water
- contact time of the raw water with the activated

  carbon


  The water temperature can be controlled. This allows for the temperature effect of the adsorption to be investigated. Flow rate, temperature and pressure are continuously measured.  Sampling points are arranged in such a way that breakthrough curves and concentration profiles can be plotted.   
  Analysis technology is required to evaluate the experiments. The choice of analysis technology depends on the adsorbate used. Methylene blue can e.g. be used as adsorbate. The concentration of methylene blue can be determined using a photometer.
  The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments.

Learning Objectives / Experiments

- recording of concentration profiles
- recording of breakthrough curves
- relationship between concentration profiles and

  breakthrough curves
- determining the mass transfer zone
- an adsorber's mass balance
- an adsorber's efficiency
- predicting breakthrough curves
- scale-up of the results to industrial scale
- detection of the following influencing factors
   * contact time
   * temperature
   * mode of operation

Specification

[1] 2 adsorbers with activated carbon filling
[2] adsorber with 8 sampling points
[3] safety adsorber for closed water circuit

[4] continuous process
[5] metering pump for concentrated adsorbate solution
[6] pump for recirculating the treated water
[7] water temperature control
[8] digital temperature indication
[9] flow rate adjustable
[10] change of adsorbate concentration and contact time

 

 

Technical Data

Adsorber and safety adsorber
- diameter: each 70mm
- height: each 600mm
- capacity: each 1,5L
Tanks
- treated water: 45L
- adsorbate solution: 45L
Treated water pump
- max. flow rate: 180L/h
- max. head: 10m
Metering pump
- max. flow rate: 2,1L/h
- max. head: 160m
Heater
- max. power: 500W
Measuring ranges
- flow rate: 0...100L/h
- temperatur: 0...50°C
- pressure: 0...2,5bar

 

Dimensions and Weight
LxWxH: approx. 1.500x790x1.900mm
Weight: approx. 180kg
Required for Operation

230V, 50/60Hz, 1 phase or 120V, 60Hz, 1 phase

Scope of Delivery

1 trainer
1 packing unit of activated carbon

1 set of test tubes

1 set of accessories (hose, tools)
1 set of instructional material

Order Details
083.58300  CE 583  Adsorption