Method for recovering scheelite from tungsten ores by flotation

Details Method for recovering scheelite from tungsten ores by flotation Method for recovering scheelite from tungsten ores by flotation

1976-02-23

1977-10-18

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

209166, 423 55, B03D 306, C22B 300

Patent

active

040544427

ABSTRACT:
A flotation process for recovering scheelite from low-grade tungsten ores containing calcium-bearing minerals other than scheelite. Calcium oxide (lime) is added to an ore pulp together with a carbonate alkalizing agent, dispersant and anionic collector. The pulp is subsequently subjected to flotation and the scheelite recovered.

REFERENCES:
patent: 1953431 (1934-04-01), Patek
patent: 3337048 (1967-08-01), Mercade
patent: 3915391 (1975-10-01), Mercade

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