Pulsing flow in trickle bed columns

Jan Rudolf Blok

Research output: ThesisThesis fully internal (DIV)

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Abstract

In the operation of a packed column with cocurrent downflow of gas and liquid (trickle bed) several flowpatterns can be observed depending on the degree of interaction between gas and liquid. At low liquid and gas flow rates - low interaction - gascontinuous flow occurs. In this flowregime, the liquid mainly flows in the form of a film covering the packing particles and the gas fills the voids. At higher liquid and gas flow rates pulsing flow can develop due to local obstruction of the gas path by liquid. The liquid plug is subsequently blown away and moves with relatively high speed( - 1 m/s) downward through the bed. This process repeats itself with a frequency of 1 - 10 Hz depending on gas and liquid flow rates .... Zie: Summary
Original languageEnglish
QualificationDoctor of Philosophy
Publisher
Publication statusPublished - 1981

Keywords

  • Gepakte kolommen, Stroming (algemeen, natuurkunde)
  • Proefschriften (vorm)

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