Method and device for recovery of scrap goods

Solid material comminution or disintegration – Processes – With application of fluid or lubricant material

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241 24, 241 29, 241 76, 241 77, 241 791, 241 80, 241DIG38, B02C 2314

Patent

active

051392038

ABSTRACT:
Scrap goods (S), for example, electronic and electrical apparatus, components, cables and the like are intermittently and alternately mechanically crushed (1,3), magnetically separated (2) and mechanically-physically separated, for example, by means of electrostatic separators (5, 10-12). With the crushing, the dust produced is pneumatically gathered and filtered out (22,9). A non-metal fraction (A) as well as a magnetic (B) and non-magnetic fraction (C) are produced separately as granules and dust. The metal fractions (B, C) are suitable for further pyrolysis-free, wet chemistry and/or electrolytic separation. The non-metallic fraction is capable of being precipitated. The method is noted for its minimal energy consumption and high environmental compatibility.

REFERENCES:
patent: 2942792 (1960-06-01), Anderson et al.
patent: 3905556 (1975-09-01), Drage
patent: 4044956 (1977-08-01), Benedetto et al.
Recycling of Metals, R. S. Kaplan and H. Ness, 1987.

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