METHOD OF PROCESSING HIGH-PHOSPHORUS MANGANIFEROUS ORES Russian patent published in 2003 - IPC

Abstract RU 2197551 C1

FIELD: ferrous metallurgy, particularly, production of ferromanganese alloys from high-phosphorus manganiferous ores, particularly, concretions. SUBSTANCE: method includes preparation of charge, loading of charge into electric furnace, melting, holding of melts and tapping of heat products. Charge is melted at temperature of 1500-1650 C with maintaining ratio of iron oxides and phosphorus oxides to carbon within 0.4-0.95 of shoichiometric value. Hydrocarbon-containing component in charge is used in the form of liquid hydrocarbons, for instance, oil. EFFECT: simplified production technology of conversion manganese slag, increased quality of slag, and reduced losses of manganese with associated alloy. 2 cl

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RU 2 197 551 C1

Authors

Sventsitskij A.T.

Nosenkov A.N.

Trunev S.V.

Ermolov V.M.

Rogov V.S.

Dates

2003-01-27Published

2001-12-18Filed