Beneficiation of iron ore

Details Beneficiation of iron ore Beneficiation of iron ore

1979-12-17

1981-11-24

Halper, Robert

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

209 3, 209166, B02C 1900

Patent

active

043019730

ABSTRACT:
Isostearic acid, a liquid isomer of stearic acid, is used as an agent in a froth flotation process to concentrate the iron oxide in iron ores. By use of this flotation agent, the iron oxide in the ground ore is directly floated away from the remainder of the ore. The process enables a high amount of iron oxide to be concentrated from low grade ores.

REFERENCES:
patent: T980002 (1979-03-01), Hsieh
patent: 2669355 (1954-02-01), Archibald
patent: 3292780 (1966-12-01), Frommel
patent: 3589622 (1971-06-01), Weston
patent: 3779380 (1973-12-01), Bishop
patent: 4132638 (1979-01-01), Yang
Chem. Abst., vol. 75, 1971, 8703a.
RI 5498, Dept. of Tnt, Coke & Numela, "Fatty and Resin Acids as Collectors for Iron Oxides", pp. 1-24, 1959.
Chem. Abst., 66, 1967, 21196W.
Chem. Abst., 75, 1971, 8705C.
Chem. Abst., 85, 1976, 7806F.

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