Modelling of single flotation column stages and column circuits

Alford R.A. (1992) Modelling of single flotation column stages and column circuits. International Journal of Mineral Processing, 36 3-4: 155-174. doi:10.1016/0301-7516(92)90042-U


Author Alford R.A.
Title Modelling of single flotation column stages and column circuits
Journal name International Journal of Mineral Processing   Check publisher's open access policy
ISSN 0301-7516
Publication date 1992-01-01
Sub-type Article (original research)
DOI 10.1016/0301-7516(92)90042-U
Open Access Status Not yet assessed
Volume 36
Issue 3-4
Start page 155
End page 174
Total pages 20
Subject 1900 Earth and Planetary Sciences
1906 Geochemistry and Petrology
1909 Geotechnical Engineering and Engineering Geology
Abstract A procedure for modelling single flotation columns and column circuits is described. In general terms, column models comprise three key components or expressions, to describe particle/bubble attachment, axial dispersion in the pulp zone, and net detachment in the froth zone. Previous models of these components are reviewed. In the current study, each column unit or stage is represented by a single zone model. Mineral recovery from each stage is related to a first order rate parameter and a residence time distribution. Based on experimental evidence and theory, an improved expression for the rate parameter is proposed. The model parameters are back-calculated from or fitted to experimental data. In this paper a number of model fitting examples are presented, these include single columns and column circuits. In the circuit examples, the mineral specific parameters are related to the properties of the feed, rather than to the operation of individual column stages. Consequently mineral behaviour is separated from column operation and circuit configuration. Mineral behaviour is related to particle size and arbitrary floatability distribution. The relative merits of a number of floatability distributions are examined.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Citation counts: TR Web of Science Citation Count  Cited 10 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 9 times in Scopus Article | Citations
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