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Comparison Of Rectification Columns

Comparison Of Rectification Columns

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Product Description

Comparison Of Rectification Columns

The rectification columns are used for the separation of liquid phases. They operate according to the principle of distillation. Distillation is a separation process that includes the partial evaporation of a liquid phase and the condensation of the resulting gas phase. The separation process of rectification is an energy-efficient distillation process with several stages. The substance mix recommended for the operation of the experimental plant is water-ethanol

Learning objectives/experiments


  1. Investigation and comparison of a sieve tray column and a packed column
  2. In continuous operation
  3. With different pressures
  4. With different reflux ratios
  5. With different feed levels
  6. Determination of the proportion of ethanol in the feed and in the products
  7. Determination of the tray efficiency of the sieve trays
  8. Evaluation using the McCabe-Thiele Diagram




  1. Continuous rectification with packed column or sieve tray column
  2. Variable reflux ratio
  3. Packed column with pall rings with 10 feed levels and temperature measurement
  4. Sieve tray column with 10 trays; each tray with feed and temperature measurement
  5. Tanks for feed, bottom and top product made of glass and stainless steel
  6. Operation at up to 115°C and 1,5bar
  7. Recording of all relevant variables with more than 40 sensors
  8. PLC with touch panel for control of the plant



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