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U.S. Department of Energy
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Energy efficiency of comminuting taconite in high-pressure roll mill/ball mill system

Conference ·
OSTI ID:430449
 [1]; ;  [2]
  1. NIST, Gaithersburg, MD (United States)
  2. Univ. of California, Berkeley, CA (United States)
Fine grinding of taconite for the liberation of iron-containing minerals is very energy-intensive. This investigation has shown that a high-pressure roll mill is significantly more energy-efficient than the traditional ball mill. Further energy efficiency can be achieved by grinding taconite in a hybrid mode, whereby the material is first ground in a high-pressure roll mill and then in a ball mill. However, optimal partitioning of energy between the two mills is necessary for attaining maximum efficiency. 10 refs., 5 figs.
OSTI ID:
430449
Report Number(s):
CONF-960730--
Country of Publication:
United States
Language:
English