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What is Understanding the Hardgrove Grindability Index about?

The Hardgrove Grindability Index (HGI) was developed to empirically indicate how difficult it would be to grind coal particles to a size suitable for combustion. The HGI test involves grinding a coal sample and measuring the percentage of particles less than 75 microns. Coals with higher HGI values are easier to grind. The HGI provides a general measure of grindability but has limitations as it uses a batch process rather than replicating continuous grinding. The HGI is useful when combined with other prope

Author

harishkumar.ravichandran

Language

EN