difference between grindability to hard groove index for iron ore
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Grindability curve of the Bond ball mill grindability test with the Malmberget iron ore sample (FAR). BWI = Bond work index, kW h/t. G bp = average mass in gram of undersize material produced per number of revolution for the last three cycles.
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· Can any one tell what is hard groove index (HGI) and what is its value for Iron ore, coking coal and lime stone ... and what is its value for Iron ore, coking coal and lime stone 16th April ... I can tell you the meaning of it: "..empirical ranking of the relative grindability or ease of pulverization of a coal under standardized conditions ...
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Hard Groove Index (HGI) - bulk-online Forums . 3 replies from April 2007; Dear all, Can any one tell what is hard groove index (HGI) and what is its value for Iron ore, coking coal and lime stone
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BOND RWi, BWi, CWi, Ai Work Index: What's the difference. Three Bond work index tests are commonly used in the industry. This essay discusses some observations from SAGMILLING.COM database of published grindability results about relationships, and lack thereof, between the Bond comminution tests.
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Grindability of granite and Iron-ore was investigated in this work. Samples were collected from Julius Berger Quarry and National Iron-Ore Mining Company (NIOMCO), Itakpe. Particle size distribution of the samples by means of sieve shaker and grindability of samples were also determined.
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