Microwave melting furnace for the vitrification and/or densification of materials
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United States of America Patent
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-
Oct 19, 1993
Grant Date -
N/A
app pub date -
Mar 30, 1992
filing date -
Apr 3, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The furnace according to the invention makes it possible to continuously vitrify and/or densify toxic materials, such a nuclear waste, by using microwaves. The furnace contains two vertical ends connected by a horizontal melting vessel. The materials to be melted and the microwaves are introduced at the first end. The melting vessel has a constant cross-section as a result of a horizontal upper wall in order to aid the distribution of the power of the microwaves over the surface of the molten bath. Preferably, the second end is provided with a piston making it possible to regulate the return of non-absorbed microwaves.
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