Application of the Hardgrove grindability index in carbonate characterization

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 01 Aug 1992 English Publisher:Springer Science and Business Media LLCJournal:Mining, Metallurgy & Exploration, volume 9, pages 146-150 (issn: 2524-3462, eissn: 2524-3470,

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Authors: J. C. Hower; L. S. Barron; S. O. Moshier;

doi: 10.1007/bf03402987

Application of the Hardgrove grindability index in carbonate characterization

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Abstract

The Hardgrove grindability test, commonly used in coal characterization, was conducted on 13 Mississippian carbonates from Kentucky, Tennessee and Illinois. The results demonstrated that the grindability increases with a decrease in the SiO2/(MgCO3+CaCO3) ratio, with fine-grained and petrographically-complex stones having lower grindabilities. Also, the relationship between the Bond work index and Hardgrove grindability is significant.

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