Influence of impeller speed and cell volume on coal flotation performance in a self-aerating flotation machine

Sayed Janishar Anzoom, Sunil Kumar Tripathy, Laxmikanta Sahu, S. Bhattacharya, A. K. Mukherjee

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The effect of impeller speed and cell volume on batch coal flotation performance in a self-aerating flotation machine is studied in the present investigation. Factorial designed experiments are carried out to establish the relationships between the manipulated variables (impeller speed, and cell volume, and their interactions) with the separation indicators (yield, ash, combustible recovery and entrained water recovery). Correlation coefficient values are used to select the best fit model, and an analysis of variance to identify the statistically significant components of the model. The results indicated that both the impeller speed and cell volume significantly influence the performance of coal flotation. Further, the influence of these variables and their significance is discussed by flotation rate constant.

Original languageEnglish (US)
Pages (from-to)4053-4063
Number of pages11
JournalAdvanced Powder Technology
Volume31
Issue number9
DOIs
StatePublished - Sep 2020
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2020 The Society of Powder Technology Japan

Keywords

  • Ash
  • Coal
  • Combustible recovery
  • Entrainment
  • Flotation cell volume
  • Impeller speed

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