Method for beneficiation of magnesite ore

Details Method for beneficiation of magnesite ore Method for beneficiation of magnesite ore

1974-12-10

1976-02-03

Halper, Robert

Classifying, separating, and assorting solids

Precedent preparation of items or materials to facilitate...

Sorting special items or sorting by methods and apparatus...

209 8, 209214, 209 11, B03B 102

Patent

active

039363724

ABSTRACT:
A method for beneficiation of magnesite ore wherein the ore is subjected to calcination to decrease the bulk density of the magnesite relative to the gangue. Accordingly, after such calcination, conventional gravimetric separations can be conducted with greatly increased efficiency. When the calcination is conducted in a reducing atmosphere, initially non-magnetic gangue material is converted to a magnetic form and conventional magnetic separation procedures are conducted with enhanced efficiency.

REFERENCES:
patent: 1248880 (1917-12-01), McLaughlin
patent: 1266730 (1918-05-01), Webster
patent: 1269170 (1918-06-01), Faulkner
patent: 1546854 (1925-07-01), Miller
patent: 1901102 (1933-03-01), Holt
patent: 2349556 (1944-05-01), Kleckner
patent: 2586545 (1952-02-01), LeBaron
patent: 2881048 (1959-04-01), Bieneck
patent: 3482938 (1969-12-01), Oaska

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