A mass transfer approach to flotation column design

Mku Thaddeus Ityokumbul

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Flotation equipment design is an area of reactor engineering that has not attracted much research interest in chemical engineering. The commercial success of flotation remains a triumph of enlightened know how over inadequate know why as key design and scale-up parameters (e.g. column height) continue to be dictated by such non-process considerations as crane rail and building heights (Ounpuu and Tremblay, 1991). The shortcomings in the present approach to flotation column design and scale-up are discussed. It is shown that the use of first order kinetic expression in flotation column design and scale-up is not correct insofar as the recovery and order of the process are concentration dependent. By using analogy with interface mass transfer, a new approach to flotation column design is presented. Using literature data, it is shown that only a short recovery zone is required for particles made selectively hydrophobic. Recent experimental data from 1.2m flotation column (Ounpuu and Tremblay, 1991) and those of others as well (Wheeler, 1984; Bensely 1985; Jameson, 1988; Reddy 1988) confirm this observation.

Original languageEnglish (US)
Pages (from-to)3605-3612
Number of pages8
JournalChemical Engineering Science
Volume47
Issue number13-14
DOIs
StatePublished - Jan 1 1992

Fingerprint

Mass Transfer
Flotation
Mass transfer
Scale-up
Recovery
Crane rails
Engineering
Reactor
Chemical engineering
Analogy
Continue
Kinetics
Design
Experimental Data
First-order
Dependent

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

Ityokumbul, Mku Thaddeus. / A mass transfer approach to flotation column design. In: Chemical Engineering Science. 1992 ; Vol. 47, No. 13-14. pp. 3605-3612.
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A mass transfer approach to flotation column design. / Ityokumbul, Mku Thaddeus.

In: Chemical Engineering Science, Vol. 47, No. 13-14, 01.01.1992, p. 3605-3612.

Research output: Contribution to journalArticle

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