Method of treating refuse scrap

Details Method of treating refuse scrap Method of treating refuse scrap

1990-08-13

1991-11-26

Gorski, Joseph M.

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 24, 241 23, 241 27, 241 29, 241DIG38, B02C 2308

Patent

active

050676598

ABSTRACT:
Refuse scrap from incinerated refuse or nonincinerated refuse is dried and precleaned to a metal content in excess of 70% and is then comminuted and abraded in a hammer shredder with the comminuted material being subjected to air separation and magnetic separation to yield a metal product containing at least 90% metal and with a density of at least 1 ton per m.sup.3 for direct use as any other iron scrap in a steel-making plant.

REFERENCES:
patent: 952351 (1910-03-01), Phelps
patent: 971405 (1910-09-01), Reed
patent: 2942792 (1960-06-01), Anderson et al.
patent: 3081954 (1963-03-01), Heckett
patent: 3524594 (1970-08-01), Anderson et al.
patent: 3605243 (1971-09-01), Oster
patent: 3817458 (1974-06-01), Gilberto
patent: 3848813 (1974-11-01), Stanczyk et al.
patent: 3905556 (1975-09-01), Drage

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