Electro-pyrolytic upright shaft type solid refuse disposal and c

Details Electro-pyrolytic upright shaft type solid refuse disposal and c Electro-pyrolytic upright shaft type solid refuse disposal and c

1975-01-10

1976-12-07

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

48209, 75 44S, C22D 700

Patent

active

039960447

ABSTRACT:
Waste material is disposed of and its usable constituents recovered by feeding the waste material downwardly through a vertical shaft in which its temperature is progressively raised thereby driving off volatile matter and thermally degrading appropriate portions of the material to provide a gaseous discharge suitable for use as a fuel. Material such as metal and other non-volatilizable substances eventually reach a furnace chamber which has a temperature of at least 1600.degree. C where they are liquified and tapped from the chamber. The heavier metal component is tapped from a point lower than the point at which other liquid residues are tapped to enable the metal to be recycled.

REFERENCES:
patent: 3471275 (1969-10-01), Borggreen
patent: 3697256 (1972-10-01), Engle
patent: 3812620 (1974-05-01), Titus et al.
patent: 3850588 (1974-11-01), White

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