Method and device for recovery of scrap goods

Details Method and device for recovery of scrap goods Method and device for recovery of scrap goods

1990-01-31

1992-08-18

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

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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