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RECOVERY OF LEAD FROM ACCUMULATOR SCRAP

  • US 3,777,994 A
  • Filed: 01/26/1972
  • Issued: 12/11/1973
  • Est. Priority Date: 01/29/1971
  • Status: Expired due to Term
First Claim
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1. A method for the recovery of metallic lead from accumulator scrap comprising:

  • 1. comminuting the scrap material, 2. removing coarser materials from the comminuted mass, 3. subjecting the finer materials to classification to provide a fine grain and a coarse grain fraction, 4. further comminuting the fine grain fraction from step (3) in a tube mill, 5. subjecting the lead-containing coarser materials from step (2) to a sink-float separation, 6. removing iron from the product recovered from step (5), 7. passing the resulting iron-free product to said tube mill of step (4), and 8. further classifying the product of step (7).

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