METHOD OF PREPARING PELLETS FROM IRON ORE MATERIALS Russian patent published in 1997 - IPC

Abstract RU 2092590 C1

FIELD: ferrous metallurgy. SUBSTANCE: invention concerns preparing charge for blast- furnace smelting through making pellets from fine-dispersion wet iron- ore concentrates using binding additives. The latter are naturally occurring materials constituting products of chemical weathering aging of carbonate and clayey minerals, in particular, amorphous silica mineral containing 5-50% of fine calcium carbonate, 8-20% of amorphous silica, 5-15% of zeolite, and clayey constituent. EFFECT: reduced cost due to utilizing inexpensive materials. 2 tbl

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RU 2 092 590 C1

Authors

Kalashnikov A.T.

Ivanov N.S.

Poddubnyj A.P.

Shchupanovskij V.F.

Dates

1997-10-10—Published

1995-12-22—Filed