While about one half of the molybdenum in the ore was water soluble, only about 14% existed in this form in the tailings. The major portion of the extractable molybdenum in the tailings appears to be associated with hydrous oxides of iron, and with alkaline earth sulfate precipitates. In contrast with the pattern seen for molybdenum
The AMAX Molybdenum Tailings Controversy. The Islands Copper Mine, at Port Hardy, British Columbia, has been dumping tailings from its copper molybdenum operation into Ruperts Inlet since 1971. It is the only mine in Canada to have dumped tailings directly into the ocean in the last decade.
Copper molybdenum ore is one of the main sources of molybdenum and the United States, Canada, Chile, Peru, Mexico and the Soviet Union, is a major national recovery of molybdenum concentrate from copper molybdenum ore in the show. The practice in foreign countries, copper molybdenum deposit mining in recent years, the lowest grade of copper is 0.2 ~ 0.3%, the low grade of 0.01 Mo ~ 0.011%.
Occurrence and production. Though molybdenum is found in such minerals as wulfenite (PbMoO 4) and powellite (CaMoO 4 ), the main commercial source is molybdenite (Mo S2 ). Molybdenum is mined as a principal ore and is also recovered as a byproduct of copper and tungsten mining.
That was a big plus for Amerigo because these tailings were initially processed using older extraction methods, so they contain more copper and molybdenum than the fresh tailings.
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Garnet tailings obtained in large quantities from molybdenum ore beneficiation are regarded as industrial waste, which not only occupies large areas of land but also