Method and apparatus for recovery of aluminum from solid waste

Details Method and apparatus for recovery of aluminum from solid waste Method and apparatus for recovery of aluminum from solid waste

1975-08-11

1978-01-31

Halper, Robert

Classifying, separating, and assorting solids

Magnetic

209223A, 209227, B03C 122

Patent

active

040714420

ABSTRACT:
A comminuted trash mixture containing aluminum and other non-ferrous conductive metals is transferred to a conveyor system having a series of conveyor belts, each successive belt having a higher linear velocity than the preceding belt. A linear motor type separator adjacent the highest speed belt diverts the non-ferrous conductive metals off to one side of the conveyor where it is received by a second conveyor system including a plurality of conveyor belts of successively higher linear speed. A second linear motor type separator is used to divert non-ferrous conductive metals off to one side of the second conveyor group, with the remaining materials on the conveyor being transferred back to the beginning of the first conveyor group for recirculation through the first separator.

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patent: 3848743 (1974-11-01), Danberg
patent: 3950661 (1976-04-01), Langmuir

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