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INTENSIFICATION OF BOND BALL MILL WORK INDEX TEST THROUGH VARIOUS METHODS

Assoc. Prof. Dr. Vladislav Lvov, Assoc. Prof. Dr. Julia Sishchuk, Student Leonid Chitalov

First published: 2017-06-20https://doi.org/10.5593/sgem2017/11/s04.109View metrics

Abstract

The paper presents comparative studies aimed at reducing labor costs of Bond Ball Mill Work Index test (BWi) by using a number of alternative techniques. Methods of Ahmadi and Shahsavari, Berry and Bruse, Gharehgheshlagh, Horst and Bassarear, Kapur, Magdalinovich, a standard Bond test with feed sizing into limited size grades, and a standard Bond test with grain size analysis of subsamples of milled product were compared. Magdalinovich-Ahmadi and Kapur testing techniques were modified. The modified Magdalinovich-Ahmadi and Kapur techniques require no more than two cycles of ball grinding to determine BWi (while normally 6-8 cycles are required) and 4-5 kg of initial feed. The relative error in determining BWi by using the modified Magdalinovich-Ahmadi and Kapur techniques for apatite-nepheline ore is less than 3.6 % and 1.6% accordingly. The suggested modified Magdalinovich-Ahmadi and Kapur techniques allow to reduce labor and BWi test costs considerably, which makes them useful for mass sampling of deposits and monitoring physical and mechanical properties of ores entering a beneficiation plant.

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Publication details

Title
INTENSIFICATION OF BOND BALL MILL WORK INDEX TEST THROUGH VARIOUS METHODS
Authors
Assoc. Prof. Dr. Vladislav Lvov, Assoc. Prof. Dr. Julia Sishchuk, Student Leonid Chitalov
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining
Publisher
STEF92 Technology
Year
2017
Pages
857-864
SWS Citekey
Lvov20174857864
ISSN
1314-2704
ISBN
978-619-7105-98-8
Language
en
Publication type
Conference Paper
Keywords
reducing labor costsapproximation methods for Work IndexgrindabilityBond Ball Mill Work Indexore testing.
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