Metallurgical apparatus – With means treating or handling gases exhausted by treating... – Having means to treat or handle gases evolving from rotary...
Patent
1997-06-25
1999-11-23
Andrews, Melvyn
Metallurgical apparatus
With means treating or handling gases exhausted by treating...
Having means to treat or handle gases evolving from rotary...
75670, 266173, C22B 902
Patent
active
059894865
ABSTRACT:
An apparatus for retorting granulated material containing mercury such as ores and precipitates wherein the granulated material is stirred by means of a plurality of paddles while under vacuum and at high temperature within a drum of the apparatus. The vaporized mercury is drawn from the drum and condensed for recovery thereof. Multiple retorting apparatuses can be used for a continuous retorting operation.
REFERENCES:
patent: 1599372 (1926-09-01), Reed
patent: 5569154 (1996-10-01), Navetta
Gale Charles O.
Washburn Charles H.
Andrews Melvyn
Summit Valley Equipment and Engineering, Inc.
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