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How Much Knowledge You Know About Molybdenum Ore

5 October, 2012 at 8:16 am in Buy & Sell

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When we deeply sort the molybdenum ores which contains slight amount of copper, we use partial mixing, namely differential flotation. The valuable mine in the molybdenum includes the molybdenite, iron pyrite and slight amount of copper pyrites. The molybdenum copper mixed flotation, tailings flotation pyrite and part of the mixture of the copper and molybdenum separation and the molybdenum concentrates are used in the ore beneficiation profess. At present, our country also recovers the molybdenum from the copper molybdenum ores. The common process flow if the copper molybdenum mixed flotation for copper molybdenum separation and the concentration of the molybdenum concentrate.

The development of the molybdenum ore processing equipment has had half a century of history in our country. The gap between domestic ore beneficiation technology of the molybdenum ore and the foreign ore beneficiation technology of the molybdenum ore is becoming smaller and smaller. Flotation is the main ore beneficiation method for the molybdenum ore.

There are two ways for the copper molybdenum separation and the concentration of the molybdenum concentrate, namely the sodium sulfide method and the sodium cyanide method. The times of the molybdenum concentration mainly depends on the total enrichment ratio of the molybdenum. Generally, if the total enrichment ratio is high, the concentration number is large. On the contrary, if the total enrichment ratio is low, the concentration number will be small. In recent years, in order to meet the export needs of the molybdenum concentrates, Henan Hongxing Mining Machinery adopts the hydrochloric-acid ferric trichloride to remove the impurity in the molybdenum concntrate. As the professional manufacturer of complete sets of mining machinery, such as classifiers, HXJQ is always doing the best in products and service.

From the molybdenum processing plant of colored system, there is a big difference of the grade of the processing raw ore. The grade of some ores is more than 0.3%, while others are lower than 0.1%. Some is only 0.02%. Most actual recovery rate of the ore beneficiation is more than 80%. The concentrate grade obtained is from 45% to 54%. The tailings grade is about 0.02%. In the current industrial production of the molybdenum, we mainly use the molybdenite concentrate for smelting and use the oxidizing roasting to extract the pure molybdenum trioxide and restore the molybdenum metal powder.

The harmful impurities in the molybdenum concentrate, such as copper, lead, tin, arsenic, phosphorus, calcium, silica, etc., not only affect the quality of the molybdenum products, but also affect the molybdenum smelting technology and equipment, and cause pollution of the environment. Therefore, we should strictly control the beneficiation process to greatly improve the industrial value of the molybdenum deposit.

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