EVALUATION OF HPGR AND VRM FOR DRY COMMINUTION OF .
. conventional ball milling. The HPGR and air classification circuit used 20 30 % less energy . type of VRM) than a ball mill circuit for a similar degree of comminution. Key words: . report applications in copper matte, steel slag and tin slag.
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Aug 10, 2015 . like granulated blast furnace slag (GBFS), pozzolana, limestone or fly ash. .. ball mill grinding processes, as long as the initial material moisture is not . necessary to fully include classification processes in the scope of the.Get Price