Prediction of Separation Performance of Dry High Intensity Magnetic Separator for Processing of Para-Magnetic Minerals

Sunil Kumar Tripathy, Veerendra Singh, Nikkam Suresh

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

High intensity dry magnetic separators are gaining popularity for the separation of para-magnetic minerals due to the cost economic factor. Induced roll magnetic separator is found to be an effective dry separator for the separation of fine particles. Separation efficiency of this separator depends on mineral characteristics and the design features of equipment along with the optimization of process variables. Present investigation focuses on the prediction and validation of separation performance of minerals while treating in induced roll magnetic separator. Prediction of the separation is expressed in terms of separation angle at which a particle leaves the rotor surface by using a modified particle flow model derived by Cakir. The validation of the model is carried by capturing the particle trajectory using an image analyzer. It is found that Cakir’s mathematical model produces reliable results and a new model is proposed to increase the reliability of separation angle prediction by including the particle shape factor.

Original languageEnglish (US)
Pages (from-to)131-142
Number of pages12
JournalJournal of The Institution of Engineers (India): Series D
Volume96
Issue number2
DOIs
StatePublished - Oct 1 2015
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2015, The Institution of Engineers (India).

Keywords

  • High Intensity magnetic separator
  • Image processing
  • Magnetic separation
  • Modeling
  • Para-magnetic minerals
  • Particle flow trajectory

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