Apparatus for the extraction of metals from metal-containing raw

Details Apparatus for the extraction of metals from metal-containing raw Apparatus for the extraction of metals from metal-containing raw

1993-03-09

1994-05-24

Rosenberg, Peter D.

Metallurgical apparatus

Means for treating ores or for extracting metals

By means applying heat to work, e.g., furnace

75474, 75478, 75482, F27B 728

Patent

active

053141717

ABSTRACT:
Metal-containing ores are extracted by a process and apparatus which avoid contaminating the product with fuel gas components. In a rotary kiln, a heat shock-resistant ceramic pipe is subjected to indirect high temperature heating, thereby allowing the extraction reaction to be conducted without heat producing fuel gases.

REFERENCES:
patent: 2484911 (1949-10-01), Seil
patent: 3599947 (1971-08-01), Sherwood
patent: 3831913 (1974-08-01), Ando
patent: 4462793 (1984-07-01), Maeda
patent: 4989838 (1991-02-01), Kaldon

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