METHOD FOR INTER DUMP BENEFICIATION OF SUBSTANDARD BISMUTH- BEARING ORES Russian patent published in 1996 - IPC

Abstract RU 2066759 C1

FIELD: mining. SUBSTANCE: drain layer, layer being beneficated on the base of substandard ores containing five-valent bismuth, perforated pipeline, layer of bismuth containing rocks being leached are formed subsequently. When treated by solutions from a source, bismuth and layer being leached are dissolved, bismuth containing solutions are migrated in the layer being beneficated where five-valent bismuth is precipitated due to encountering oxidant. EFFECT: high efficiency. 1 dwg

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RU 2 066 759 C1

Authors

Vorob'Ev Aleksandr Egorovich

Chekushina Tat'Jana Vladimirovna

Vorob'Ev Sergej Egorovich

Chekushin Aleksej Vladimirovich

Dates

1996-09-20Published

1992-01-03Filed