Mass transfer between gas phase and liquid phase into a packed column

Unit delivered with educational handbook and technical documentation.


  • Column.
  • Glass Raschig rings packing.
  • 20 L polyethylene tanks.
  • Metering pump, settable flowrate.
  • Damping system.
  • Graduated glass receiver.


  • Digital thermometers.
  • Air flowmeter.
  • Water flowmeter.
  • Gas flowmeter CO2.


Dim : 120 x 55 x 270 cm 100kg
SS tubular framework 40 x 40mm


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Study of the hydrodynamics of a packed column

Determination of

Flooding conditions, influence of water flow rate

Overflooding conditions

Packing factor


Study of the CO2 absorption in water

Materials balance on the gaseous solute

Thermal balance

Determination of the efficiency of the column by defining the HTU and NTU

Demonstration of the exothermic effect due to absorption


Study of the desorption by air of a carbonated solution