Dispersed Phase Holdup in a Tall and Low Plate Free Area Liquid Pulsed Sieve-Plate Extraction Column

S. Y. Khawaja, M. R. Usman, S. Khan, W. Afzal, N. A. Akhtar

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Dispersed phase holdup is studied in a tall and low plate free area pulsed sieve-plate extraction column. The 5.0 cm internal diameter column consists of 80 number of plates with percent free area of 13.5. The effects of pulse velocity (product of amplitude and frequency), superficial phase velocities, and solute addition are studied for five liquid-liquid systems with a wide range of interfacial tensions. The experimental holdup data is tested against the most widely recommended correlations and a new correlation has been developed that best fits the data.

Original languageEnglish
Pages (from-to)175-182
Number of pages8
JournalSeparation Science and Technology (Philadelphia)
Volume48
Issue number1
DOIs
Publication statusPublished - Jan 2013

Keywords

  • dispersed phase holdup
  • holdup correlation
  • hydrodynamics
  • interfacial tension
  • pulsed extraction column

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Process Chemistry and Technology
  • Filtration and Separation

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