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Pioneering studies on the flotation of corundum from a Montana gneiss
Filetype[PDF-292.99 KB]


Details:
  • Personal Authors:
    Smith, C. W. (Carl W.)
  • Corporate Authors:
    United States. Bureau of Mines.
  • Keywords:
  • Description:
    "The Bureau of Mines conducted laboratory-scale beneficiation tests on a sample of corundum gneiss from Montana to devise a method for beneficiating corundum for use as a substitute for refractory-grade bauxite. A flotation process utilizing petroleum sulfonate as the collector in an acid circuit was devised. Results showed that two flotation schemes each produced a concentrate exceeding the national stockpile specifications for calcined bauxite. From a feed containing 28 pct corundum, concentrates containing up to 92.5 pct alumina (al2o3) were produced with a corundum recovery of 78.5 pct." - NIOSHTIC-2

    NIOSHTIC no. 10005853

  • Document Type:
    Report
  • Collection(s):
    National Institute for Occupational Safety and Health
  • Place as Subject:
    Montana
  • Main Document Checksum:
  • Supporting Files:
    No Additional Files
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