Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Sorting special items or sorting by methods and apparatus...
Patent
1997-08-07
2000-07-11
Nguyen, Tuan N.
Classifying, separating, and assorting solids
Precedent preparation of items or materials to facilitate...
Sorting special items or sorting by methods and apparatus...
209 121, 210638, 210639, 210669, 210688, B03B 100, C02F 142
Patent
active
060859113
ABSTRACT:
A method for removing metal contaminate from substrate includes four subsystems for removing larger uncontaminated particles by sizing classifying and washing procedures, microfiltration and ion-exchange processing of the overflow stream of water and water-borne contaminants, polishing of the microfiltrate through a bottom-fed clear-well extraction vessel for subsequent return as uncontaminated water and metallurgical furnace processing of the ion-exchange, clear-well extraction vessel polishing and optionally to selectively recover individual metal species from the contaminated flow.
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United States Statutory Invention Registration No. H1227, Lewis et al., Sep. 7, 1993.
Chester James W.
Dewees Matthew D.
Greenleigh Stephen H.
Rozelle Peter L.
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