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Overflow Ball Mill Operation Manual

Ball mill shape factors in the period prior to 1927 averaged 111 for 29 center discharge mills and 101 for 30 peripheral discharge mills with the resumption of new plant construction after the 1930’s depression the morenci concentrator continued the 11 ratio with its 31 x 31 m 10 x 10 ft mills the ratio was increased progressively from then on reaching 16 and 181 for the.

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