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Suspension smelting of New Jersey residues

Author

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  • Maelzer, C.A.
  • Biquet, Roger
  • Derksen, Rudi F.

Abstract

The residue of the New Jersey vertical retort process for the extraction of zinc contains non-ferrous metals and a high amount of carbon. By suspension smelting the heat content of these residues may be used for the volatilisation of the metals. A flue dust with a high content of non-ferrous metals will be recovered; the inert material may be dumped as a sterile slag harmless to the environment. In co-operation with Babcock and Wilcox, Lurgi has conducted tests sponsored by Compagnie Royale Asturienne des Mines, of Auby, France. These volatilisation tests took place in a flash smelting furnace at the Bergakademie Freiberg, and in a cyclone furnace of a power station in Westphalia (West Germany) on pilot and commercial scales. Concentrates with 40 + per cent Zn + Pb were obtained. The tests are reported in this paper in detail. The general idea of suspension smelting may be applied with good results to other high-temperature reactions.

Suggested Citation

  • Maelzer, C.A. & Biquet, Roger & Derksen, Rudi F., 1975. "Suspension smelting of New Jersey residues," Applied Energy, Elsevier, vol. 1(2), pages 107-118, April.
    • Handle: RePEc:eee:appene:v:1:y:1975:i:2:p:107-118
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