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Flotation of fine-size barite from gravity separation tailings

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Abstract

The concentration of barite by gravity separation generates substantial quantities of fine-particle wastes, and it is estimated that ≈40% of the contained barite is lost to these waste streams. In this study, froth flotation was examined as a potential method for the recovery of fine-barite particles. The study included the use of kinetic equations to estimate the variables effecting flotation, batch-scale rougher flotation tests to study the flotation variables and an examination of alternatives for the cleaning of the rougher concentrate. Results indicated that a concentrate grade of 96.5% could be achieved with a recovery of 77.5%. Although barite flotation from industrial wastes is more difficult than direct barite flotation, the process has considerable economic potential.

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Bibliography

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Authors and Affiliations

  1. Instituto de Investigaciones Mineras, National University of San Juan, San Juan, Argentina

    R. Lenzo (Member SME, research mining engineer) & P. E. Sarquis (Member SME, research mining engineer)

Authors
  1. R. Lenzo
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  2. P. E. Sarquis
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Additional information

SME nonmeeting paper 93–658. Translated by Martha Nora Muñoz.

Discussion of this peer-reviewed and approved paper is invited and must be submitted, in duplicate, prior to Aug. 31, 1995.

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Lenzo, R., Sarquis, P.E. Flotation of fine-size barite from gravity separation tailings. Mining, Metallurgy & Exploration 12, 118–120 (1995). https://doi.org/10.1007/BF03403089

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  • DOI: https://doi.org/10.1007/BF03403089

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