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Mining Petroleum Coke Ball Mill Meeting

Jun 25 2019nbsp018332the test uses a crushed sample of petroleum coke and then screens that sample for a particular size that is put into the hardgrove machine that is a ball mill and run 60 revolutions the amount of 75 micron and smaller particles is weighed and then a chart is used to determine the hgi of the petroleum coke smaller numbers mean harder coke.

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