Beneficiation of iron ore

Details Beneficiation of iron ore Beneficiation of iron ore

1975-04-28

1980-06-10

Rutledge, L. Dewayne

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

75 2, 209 5, 209 8, 209166, 209214, 241 24, B02C 2322

Patent

active

042068789

ABSTRACT:
Iron ore is beneficiated using separation steps based on mineral composition without the use of separation steps based entirely on size. In a preferred sequence of steps the iron ore is passed from a ball mill through a magnetic separator where low iron content tailings are rejected and the concentrate passed to a flotation step, where a high iron content concentrate froth is made and the locked, middling particles are recirculated to the ball mill.

REFERENCES:
patent: 2388471 (1945-11-01), DeVaney
patent: 2428228 (1947-09-01), Keck
patent: 2669355 (1954-02-01), Archibald
patent: 3337328 (1967-08-01), Lawver
patent: 3502271 (1970-03-01), Hays

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