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Copper Refining by Gaseous Ammonia

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Abstract

The reduction of copper by blowing with gaseous ammonia has proved promising in Czechoslovakia, and exhibits certain advantages over the conventional pling practice.

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References

  1. E. V. Odegov: Vosstanovlenie medi pri odnevom rafinirovannii ugolnoj pylju, Bjulleten cvetnoj metallurgii, 1958, no. 10, pg. 20.

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  2. Wolf: Verfahren zum Desoxydieren von Kupfer, West German patent no. 928,672.

  3. Gmelin’s Handbuch: Kupfer A/1.

  4. F. E. Brantley and C. H. Schack: Deoxidation of Blister Copper by Gaseous Reduction, Bureau of Mines Report of an Investigation, no. 6113, 1962.

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  5. Leonard Klein: Gaseous Reduction of Oxygen-Containing Copper, Journal of Metals, 1961, vol. 13, no. 8, pp. 545–547.

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  6. J. B. Huttel: Poling Becomes Ancient History at Phelps Dodge Smelters, Engineering and Mining Journal, 1961, vol. 162, no. 7, Pg. 82.

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  7. The poling process with ammonia is protected by Czechoslovakian patent 91,406, field Aug. 15, 1959.

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Henych, R., Kadlec, F. & Sedlacek, V. Copper Refining by Gaseous Ammonia. JOM 17, 386–388 (1965). https://doi.org/10.1007/BF03398426

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  • DOI: https://doi.org/10.1007/BF03398426

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