Process for the selective reclamation treatment of used foundry

Details Process for the selective reclamation treatment of used foundry Process for the selective reclamation treatment of used foundry

1991-08-14

1993-06-15

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

By utilizing kinetic energy of projected or suspended material

241 23, 241 24, 241DIG10, 164 5, B02C 1912

Patent

active

052191230

ABSTRACT:
A process for the selective reclamation treatment of used foundry sands wherein separation of parts of the binding materials from the basic granular material is effected by mechanical means and, thereafter, the sand grains are accelerated to produce an abrasive action of the individual sand grains with one another. The treated grains are then separated into large and small grains and further treatment is effected on the small grains.

REFERENCES:
patent: 3871438 (1975-03-01), Vissers et al.
patent: 4283015 (1981-08-01), Smith
patent: 4566637 (1986-01-01), Deve
patent: 4674691 (1987-06-01), Didion
patent: 4700766 (1987-10-01), Godderidge
patent: 4960162 (1990-10-01), Millager
patent: 5115985 (1992-05-01), Satmer et al.

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