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| Modelling of Iron-Ore Comminution by Interparticle Breakage |
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Received:May 31, 2012
Revised:April 09, 2013
Accepted:June 01, 2012
Published Online:May 16, 2013
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| DOI： |
| KeyWord:particle bed; interparticle breakage; HPGR; mathematical modelling |
| Author | Institution |
| LIU Jian-yuan |
State Key Laboratory of Mineral Processing,BGRIMM |
| Luo Ke-hua |
State Key Laboratory of Mineral Processing,BGRIMM |
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| Abstract: |
| Using the results of comminution tests by piston-die compressive stressing of particle-bed with narrow size fractions, the suitability of a previously-developed material-characterization model for interparticle breakage is verified for 3 iron ores. The methodology for determining the material parameters of this model based on test results of compressive stressing of particle-bed with wide particle-size distribution is investigated. It is shown that the laboratory particle-bed compressive comminution test combined with mathematical modelling technique may provide an effective way to study and optimize the size-reduction of ore material by interparticle breakage. |
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