Method and apparatus for the extraction of metals from metal-con

Details Method and apparatus for the extraction of metals from metal-con Method and apparatus for the extraction of metals from metal-con

1991-12-10

1993-11-16

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

75677, 266173, C21B 1106

Patent

active

052619435

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: 3216820 (1965-11-01), Phillips
patent: 3323909 (1967-06-01), Phillips
patent: 4460529 (1984-07-01), Schultze et al.
patent: 4547415 (1985-10-01), Schultze et al.
patent: 4657794 (1987-04-01), Schultze et al.

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