Coarse concentrated iron ore for catalytic purposes

Details Coarse concentrated iron ore for catalytic purposes Coarse concentrated iron ore for catalytic purposes

1976-03-11

1978-01-24

Lutter, Frank W.

Classifying, separating, and assorting solids

Treatment subsequent

209 17, 209211, B03B 700

Patent

active

040702740

ABSTRACT:
An iron ore concentrate is made having at least 60% -6 to +14 mesh and no more than about 1% -20 mesh, by a process preferably employing a small counterflow sizer on a product obtained from the concentrate of a spiral concentrator through which is processed a high-iron mill product or partially concentrated coarse feed. The product of the counterflow sizer is agitated to separate cohering particles and then further concentrated.

REFERENCES:
patent: 2514958 (1950-07-01), Lee
patent: 2585719 (1952-02-01), Alvord
patent: 3323646 (1967-06-01), Humphreys
patent: 3372803 (1968-03-01), DeLisle et al.
patent: 3640383 (1972-02-01), Wantling
Thompson et al., "The Humphreys Spiral", Engineering and Mining Journal, vol. 151, No. 8, Aug. 1950, pp. 87-89.

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