FIELD: mineral concentration. SUBSTANCE: initial material is ground and separated into coarse and fine fractions. Fine fraction is directed to desliming and concentration to produce concentrate and tailings. Coarse fraction is ground and directed for desliming. Deslimed product is combined with ground initial product. EFFECT: higher efficiency. 1 dwg
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Authors
Dates
1995-02-20—Published
1992-02-25—Filed