Method for recovering metals from waste and other materials...

C - Chemistry – Metallurgy – 22 – B

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Details

C22B 1/00 (2006.01) C22B 7/00 (2006.01) F27B 19/04 (2006.01) F27D 13/00 (2006.01)

Patent

CA 2607797

The invention relates to a method for recovering metals from metal-containing waste and materials, characterized in that the metal-containing waste is preferably continuously introduced into a processing chamber where it is thermally treated while undergoing continuous and intensive mixing. The organic components are continuously extracted and oxidized. The metal- containing and the other inorganic, non-metal-containing components are, essentially continuously, extracted from the processing chamber, the metal- containing components preferably as metal conglomerates. The invention also relates to an installation for implementing said method.

L'invention concerne un procédé pour recycler des métaux provenant de déchets et de matériaux contenant du métal. Ce procédé est caractérisé en ce qu'il consiste : à introduire les déchets contenant du métal, de préférence en continu, dans une chambre de traitement ; à les traiter thermiquement tout en les mélangeant intensément en continu ; à en extraire les composants organiques en continu, puis à oxyder ces derniers, et ; à évacuer de la chambre de traitement, sensiblement en continu, les composants contenant du métal en tant que conglomérats métalliques, ainsi que les autres composants inorganiques qui ne contiennent pas de métal. La présente invention se rapporte en outre à une installation servant à la mise en oeuvre de ce procédé.

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