Process and apparatus for disposing of dust-form substances from

Details Process and apparatus for disposing of dust-form substances from Process and apparatus for disposing of dust-form substances from

1993-02-08

1995-03-28

Reynolds, Bruce A.

Industrial electric heating furnaces

Environmental control

Arc furnace

373 8, 110345, F27D 1700

Patent

active

054024390

ABSTRACT:
Dust like substances which are recovered from a garbage or refuse incinerator are destroyed, eliminated or disposed of by smelting in a low shaft electric furnace having at least one electrode heating a slag melt therein. The dust is introduced into the melt by a lance opening beneath the melting surface and gas produced by the smelting process is subjected to cleaning. The slag may be continuously or discontinuously withdrawn and slag formers may be compensatorily added. A metal bath consisting predominantly of iron may be provided below the slag melt to protect metallic components of the dust upon the smelting thereof.

REFERENCES:
patent: 4099019 (1978-07-01), Horibe et al.
patent: 4242532 (1980-12-01), Squibbs
patent: 4410996 (1983-10-01), Svensson
patent: 4655437 (1987-04-01), Fritz et al.
patent: 4865643 (1989-09-01), Goins et al.

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