Solid material comminution or disintegration – Processes – With application of fluid or lubricant material
Patent
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.
Chin Frances
Rosenbaum Mark
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