What really determines the height in column flotation?

M. T. Ityokumbul

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Flotation columns and their variations are increasingly replacing conventional cells in mineral-processing circuits. While the operational characteristics of columns differ from those of conventional cells, the same scale-up methodologies are being employed. This practice may be attributed to a poor understanding of the factors that control throughput. The use of tall flotation columns is frequently justified because of the need for an increased particle residence time. However, it is shown that longer particle residence times alone do not translate into increased recoveries. In this paper, throughput data from several industrial flotation-column installations is presented. Also, an attempt is made at using dimensional analysis to provide a scale-up methodology for the factors controlling column throughput.

Original languageEnglish (US)
Pages (from-to)36-40
Number of pages5
JournalMinerals and Metallurgical Processing
Volume13
Issue number1
DOIs
StatePublished - Feb 1996

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Chemistry(all)
  • Geotechnical Engineering and Engineering Geology
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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