Process for treating highly environmentally polluting residues

Details Process for treating highly environmentally polluting residues Process for treating highly environmentally polluting residues

1992-07-30

1994-01-18

Valentine, Donald R.

Electric heating

Metal heating

Of cylinders

588256, 588237, H05B 664

Patent

active

052801497

ABSTRACT:
The subject of the present invention is a process for treating highly environmentally polluting residues such as for example residues derived from dry or wet filtration. The process consists in mixing the residues with a product containing iron oxide, in placing the mixture in a crucible, in protecting the crucible with insulating fibers, in putting the crucible in a microwave oven and in exposing the mixture to microwaves for a time of between 2 and 15 minutes at a temperature of between 1000.degree. and 1300.degree. C. in order to produce a dry fusion of the mixture and to obtain a solid material. The present invention is applicable to the reclaiming of sludge from the iron and steel industry.

REFERENCES:
patent: 4963709 (1990-10-01), Kimrey, Jr.

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