Classifying – separating – and assorting solids – Plural – diverse separating operations – Including electrostatic
Patent
1995-06-06
1997-03-04
Terrell, William E.
Classifying, separating, and assorting solids
Plural, diverse separating operations
Including electrostatic
209158, 75725, 423 98, B03B 700, C22B 1100
Patent
active
056070608
ABSTRACT:
The invention is a process and an apparatus for removing metal contamination from soil. In the method, the soil is treated to produce soil with a small particle size. The particulate soil is then separated into a coarse fraction and a fine fraction. The coarse fraction and the fine fraction are contacted with a leach solution in separate contacting zones to remove the metal contamination from the soil, the metal is removed from the leach solution and the leach solution recycled to the leaching zones.
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Fast John
Fristad William E.
Mattison Phillip L.
Narum Jeffrey L.
Virnig Michael J.
Henkel Corporation
Jaeschke Wayne C.
Nguyen Tuan
Ortiz Daniel S.
Szoke Ernest G.
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