Iron ore beneficiation by selective flocculation

Details Iron ore beneficiation by selective flocculation Iron ore beneficiation by selective flocculation

1979-11-07

1981-06-23

Halper, Robert

Classifying, separating, and assorting solids

Precedent preparation of items or materials to facilitate...

Selective differentiation

210734, B03B 104

Patent

active

042749450

ABSTRACT:
Selective flocculation of iron ores is accomplished through the employment of partially carboxylated polyacrylamides as the selective flocculant. The partially carboxylated polyacrylamides employed in the selective flocculation contain from about 20-65% carboxyl groups and are of a molecular weight in excess of one million. The selective flocculation process performs a separation of iron ores predominantly containing semitaconite, oxidized taconite and hematitic-goethitic jaspers from their associated siliceous gangue.

REFERENCES:
patent: 3215680 (1965-11-01), Kolodny
patent: 3292780 (1965-12-01), Frommez
patent: 3397953 (1968-08-01), Goluin
patent: 3545941 (1970-12-01), Wilson
patent: 3975496 (1976-08-01), Smulley
patent: 4081357 (1978-03-01), Werneke
patent: 4090955 (1978-05-01), Dexter

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