Method for smelting reduction of Ni ore

Details Method for smelting reduction of Ni ore Method for smelting reduction of Ni ore

1990-01-02

1991-09-10

Andrews, Melvin J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

420119, C22B 2300

Patent

active

050470825

ABSTRACT:
A method for smelting reduction of Ni ore comprises charging Ni ore and carbonaceous material into a converter type smelting reduction furnace having bottom-blow tuyeres and a top-blow lance, the smelting reduction furnace holding a molten metal, blowing oxygen gas from the top-blow lance and a stirring gas from the bottom-blow tuyeres into the furnace, and discharging slag so that a relation represented with a formula

REFERENCES:
patent: 4504311 (1985-03-01), Weiner

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