Revista UIS Ingenierías

Vol. 19 No. 2 (2020): Revista UIS Ingenierías
Articles

Quartz grinding specific rate of breakage (Sj) classification by discriminant analysis

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  • Laura Colorado-Arango,
  • Sindy Llano-Gómez,
  • Adriana Osorio-Correa
Laura Colorado-Arango
Universidad de Antioquia
Sindy Llano-Gómez
Universidad de Antioquia
Adriana Osorio-Correa
Universidad de Antioquia
DOI: https://doi.org/10.18273/revuin.v19n2-2020015

Published 2020-03-25

Keywords

  • ball milling,
  • discriminant analysis,
  • grinding,
  • quartz,
  • specific rate of breakage

How to Cite

Colorado-Arango, L., Llano-Gómez, S., & Osorio-Correa, A. (2020). Quartz grinding specific rate of breakage (Sj) classification by discriminant analysis. Revista UIS Ingenierías, 19(2), 135–140. https://doi.org/10.18273/revuin.v19n2-2020015

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Abstract

Specific rate of breakage (Sj) is an important parameter for grinding kinetics behavior due to it is reverse related with the process energy consumption. Size grinding media, viscosity medium, and fine particle formation are some of modifiable variable for to reduce the energy in the grinding process. Nowadays, there is no model that explains the relationship among Sj and parameters described above. A classification model based on linear discriminant analysis for quartz wet grinding was proposed to identify conditions with the high Sj. Three grinding kinetic behavior groups have been found through cluster analysis and two discriminant functions that explicate difference among groups. The first function was the most powerful differentiating dimension with 89.01% of prediction percentage, and the second one represented an additional significant dimension with 10.99% of prediction.

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