Differential classification of dense material in a three-product cyclone

Mainza, A., Powell, M. S. and Knopjes, B. (2004) Differential classification of dense material in a three-product cyclone. Minerals engineering, 17 5: 573-579. doi:10.1016/j.mineng.2004.01.023

Author Mainza, A.
Powell, M. S.
Knopjes, B.
Title Differential classification of dense material in a three-product cyclone
Journal name Minerals engineering   Check publisher's open access policy
ISSN 0892-6875
Publication date 2004-05
Sub-type Article (original research)
DOI 10.1016/j.mineng.2004.01.023
Volume 17
Issue 5
Start page 573
End page 579
Total pages 7
Place of publication Oxford
Publisher Pergamon Press
Language eng
Subject 091404 Mineral Processing/Beneficiation
Abstract A hydrocyclone with two concentric vortex finders, named the three-product cyclone, has been successfully tested in the Platinum industry for classifying UG2 ore which contains a high density chromite and a low density PGM carrying silica component. The low density silica reports to the overflow even when not sufficiently fine enough for flotation, which results in loss of recovery through over-size silica component material in the float feed. Results from industrial plant trials conducted using a 600 mm diameter three-product cyclone are presented. The three-product cyclone produced a middlings product containing the majority of the oversize silica that would normally report to the overflow. The middlings from the three-product cyclone represents a small percentage of the total cyclone feed and can be treated separately by fine screening to return the coarse silica to the mill for further grinding
Keyword Classification
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Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: Julius Kruttschnitt Mineral Research Centre Publications
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