Using a porous plug or a tuyere, a copper bath composed of electrical scrap may be oxidized or deoxidized through the application of gas injection. Dry air and a hydrocarbon were used in the tests at scales of 16 kg, 400 kg and 16 t.
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P.A. Trunick, “BIR: A 40-Year Tradition Representing Recyclers,” Recycling Today, 26 (4) (1988), pp. 72–78.
J.J. Oudiz, “Poling Process for Copper Refining,” J. of Metals, 28 (12) (1973), pp. 35–38.
R. Henych, F. Kadlec and V. Sedlacek, “Copper Refining by Gaseous Ammonia,” J. of Metals, 17 (4) (1965), pp. 386–388.
C.R. Kuzell et al., “Gaseous Reduction of Oxygen-Containing Copper,” U.S. Patent #2,989,397, June 20th, 1961.
N.J. Themelis and P.R. Schmidt, “Process for Gaseous Deoxidation of Copper,” U.S. Patent #3,604,608, September 14th, 1971.
P. Goyal, N.J. Themelis and W.A. Zanchuk, “Gaseous Refining of Anode Copper,” J. of Metals, 35 (12) (1982), pp. 22–28.
P. Goyal, S.V. Joshi and J. Wang, “Porous Plug Gas Injection in Anode Refining Furnaces,” J. of Metals, 36 (12) (1983), pp. 52–58.
C.R. Nanda and G.H. Geiger, “On the Thermodynamics of Oxygen in Molten Copper, Cu-Sn, and Cu-Ag Alloys,” Metall.Trans., 1 (5) (1970), pp. 1235–1243.
Y. Sasaki and G.R. Belton, “The Steady-State Reaction of CO-H2 Mixtures with Liquid Copper at 1423K,” Metall. Trans. B., 11B (2) (1980), pp. 221–224.
A. Yazawa and T. Azakami, “Thermodynamics of Removing, Impurities During Copper Smelting,” Can. Met. Q., 8 (3) (1969), pp. 257–261.
N.J. Themelis and P.R. Schmidt, “Deoxidation of Liquid Copper by a Submersed Gas Jet,” Trans. AIME, 239 (1967), pp. 1313–1318.
C.R. Nanda and G.H. Geiger, “The Kinetics of Deoxidation of Copper and Copper Alloys by Carbon Monoxide,” Metall.Trans., 2 (4) (1971), pp. 1105–1106.
N.J. Themelis and P. Goyal, “Gas Injection in Steelmaking: Mechanism and Effects,” paper presented at the 20th Annual Conference of Metallurgists, Hamilton, Ontario, August 1981.
J.K. Brimacombe, S.E. Meredith and R.G.H. Lee, Metall. Trans. B, 15B (2) (1984), pp. 243–250.
G.J. Rom’an-Moguel received his Ph.D. in process metallurgy from the University of British Columbia in 1985. He is currently a professor in the Divisi’on de Ingen’ieria Met-al’urgica, ESIQIE-Instituto Polit’ecnico National, Mexico. Dr. Rom’an-Moguel is also a member of TMS.
F. Olvera received his B.Sc. in industrial engineering from Universidad del Valle de M’exico in 1985. He is currently a research engineer with the research and development department of the copper recycling plant of CONDUMEX Group, Mexico.
S. Aguirre received his M.Sc. in mechanical engineering from ESIME-Instituto Polit’ecnico Nacional, Mexico, in 1974. He is currently plant manager at the copper recycling and continuous casting plant of CONDUMEX Group, Mexico.
B. S’anchez received his B.Sc. in metallurgical engineering from ESIQIE-Instituto Politecnico Nacional, Mexico, in 1985. He is currently a metallurgical consultant with the electromanufacturers section of CONDUMEX Group, Mexico.
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Rom’an-Moguel, G.J., Olvera, F., Aguirre, S. et al. Refining Copper Scrap by Gas Injection. JOM 40, 38–40 (1988). https://doi.org/10.1007/BF03258550
- Molten Copper
- Porous Plug
- Rotary Furnace
- Flow Control Valve
- Porous Element