System and method for treating shredder residues and...

Details System and method for treating shredder residues and... System and method for treating shredder residues and...

2007-03-22

2011-11-15

Rodriguez, Joseph C (Department: 3653)

Classifying, separating, and assorting solids

Plural, diverse separating operations

Magnetic and sifting

Reexamination Certificate

active

08056729

ABSTRACT:
In a method for sorting shredder residues of metal-containing wastes, in particular of vehicle bodies, where the shredder residues are separated into a shredder light fraction and a non-ferromagnetic fraction) and a system for implementing the method, (a) a crude-fiber fraction being generated during the processing of the shredder light fraction and the shredder heavy fraction in preliminary processes and a main process, by extracting at least a ferromagnetic fraction, a fraction containing nonferrous metals, a granulate fraction, and a sand fraction, and (b) the crude-fiber fraction being separated into a metal-containing dust fraction, a fiber fraction depleted in metals, and a metallic fraction in a refining process, using the successive process steps of metal-balling, dust removal, and density separation.

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