Cuprion process start-up control

Details Cuprion process start-up control Cuprion process start-up control

1974-08-26

1978-08-15

Hearn, Brian

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

423 49, 423 53, 423150, 423DIG4, C01G 314, C01G 5112, C01G 5312

Patent

active

041072626

ABSTRACT:
A process in which copper, nickel, cobalt and molybdenum are recovered by reducing comminuted raw manganese nodules with an aqueous solution containing cuprous ions. An improvement is disclosed in which copper is oxidized to provide a starting solution of cuprous ions for the process. In one important embodiment of the invention wet copper cement is added to a solution of carbon dioxide and ammonia and ground manganese nodules are then added to the mixture. As a result, a starting solution containing cuprous ions is produced. A major advantage gained from utilizing manganese nodules as an oxidizing agent is that the manganese nodule is itself reduced and its metal values are added to the reaction solution.

REFERENCES:
patent: 936762 (1909-10-01), Crispo
Journal of the American Chemical Society, vol. 43 (Jan. 1921) No. 1, pp. 1-11.

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