Hardgrove grindability index


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Hardgrove grindability index

[′här‚grōv ‚grīn·də′bil·əd·ē ‚in‚deks]
(engineering)
The relative grindability of ores and minerals in comparison with standard coal, chosen as 100 grindability, as determined by a miniature ball-ring pulverizer. Also known as Hardgrove number.
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References in periodicals archive ?
Chemical properties and hardgrove grindability index of various coal types of Punjab were determined.
Hardgrove Grindability Index, Australian Coal Association Research Program (ACARP) Report, Publication Issue No.
Relationship of the hardgrove grindability index to petrographic composition.
Relationship between hardgrove grindability index and petrographic composition for high volatile bituminous coals from Kentucky.
Estimation of hardgrove grindability index of Turkish coals by neural networks.