Upgrading Alabama Tantalum Concentrates

Details

• Personal Author:
  Behunin DV ; O'Dell WO Jr. ; Petersen, A. E.
• Description:
  The Bureau of Mines conducted research on high-intensity magnetic separation methods for upgrading tantalum concentrates from Alabama. Process flow sheets were studied to maximize tin removal and minimize tantalum loss. Using laboratory-scale equipment, concentrates were produced which contained over 65% combined Ta2O5-Nb2O5, up to 78% of the tin was recovered as a byproduct, containing about 70% SnO2. Only 1 to 5% of the tantalum reported with the tin byproduct. The producer subsequently incorporated high-intensity magnetic separation into its process flow sheet to provide concentrates for the National Defense Stockpile. [Description provided by NIOSH]
• Subjects:
  Metals Mining Occupational Health Safety
• Keywords:
  Metallic Minerals Metal Refining Mineral Deposits Mining-industry
• Series:
  Mining Publications
• Publisher:
  Society for Mining, Metallurgy, and Exploration, Inc.
• Document Type:
  Text
• Genre:
  Proceedings
• Place as Subject:
  Alabama ; Nevada ; OSHA Region 4 ; OSHA Region 8 ; OSHA Region 9 ; Utah
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Division:
  SLRC - Salt Lake City Research Center
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  1-8
• NIOSHTIC Number:
  nn:10003456
• Citation:
  SME Annual Meeting, February 15-18, 1993, Reno, Nevada. Littleton, CO: Society for Mining, Metallurgy, and Exploration, Inc., preprint 93-152, 1993 Feb; :1-8
• CAS Registry Number:
  Tantalum (CAS RN 7440-25-7)
• Federal Fiscal Year:
  1993
• Peer Reviewed:
  False
• Source Full Name:
  SME Annual Meeting, February 15-18, 1993, Reno, Nevada
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:a4833f0e956c61a436d5cb539ec2f179a2c855c322e0576701c90f0e446a79c0a4c088c7186278f50ffe18df961dd78b2e1539f94eb02de859fd5c9eca670ea6
• Download URL:
  https://stacks.cdc.gov/view/cdc/219481/cdc_219481_DS1.pdf
• File Type:
  [PDF - 347.79 KB ]