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Closed ball mill – cyclone circuits are industry standard and it is recognised that classification efficiency and circulating load both have a major effect on the efficiency of closed circuit grinding The individual effect of circulating load and ,

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Sep 07, 2011· Re: VRM and ball mill circulating load Mainly in USA , the term circulating load is more often used than the circulation factorCirculating load is percentage of coarse return in relation to fines & it can be calculated by : Coarse return TPH X 100 / Mill output TPHNormal range of cirulating load in a conventional close circuit ball mill is around 100-200%

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