Reduction smelting of manganese nodules with a liquid reductant

Details Reduction smelting of manganese nodules with a liquid reductant Reduction smelting of manganese nodules with a liquid reductant

1974-10-15

1976-05-18

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 40, 75 72, 75 80, 75 82, 75129, C21b 100

Patent

active

039574857

ABSTRACT:
A method of recovering metal values from deep sea manganese nodules. A liquid reductant such as bunker-C oil is utilized as a reducing agent.
As a result of the efficient contact between the liquid reducing agent and the nodules, little prior preparation of the nodules is required to recover a high percentage of copper, nickel, cobalt and molybdenum.
A new series of metal alloys are produced in the selective reduction of the nodules, the major phase being iron-rich nickel, one minor phase being 80-90% copper and the other minor phase being a combination of manganese, molybdenum, nickel, cobalt and iron.

REFERENCES:
patent: 3443931 (1969-05-01), Beggs et al.
patent: 3788841 (1974-01-01), Agarwal et al.

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