So far, there has not been found in nature's natural elemental molybdenum, molybdenum in 30 kinds of minerals have been found, the occurrence of the most extensive, most abundant, the largest amount of mined is molybdenite. Molybdenite accounted for more than 98% of the world's total molybdenum mining, as lead molybdenum ore, molybdenum, China, etc., although distribution is very broad, but the number of small, often as a trace molybdenite associated minerals are developed.
In the development of molybdenum mines , the molybdenum content of molybdenum ore is very low, usually about 0.1%, rarely exceeding 0.5%; and by-product molybdenum ore, the grade is often only between 0.01% and 0.03%. Obviously, it can't be used without being well enriched.
With the amount of demand, mining increased dramatically, molybdenum ore, molybdenum products, especially molybdenum ore bit byproduct decreased significantly.
With applications development, user requirements for quality molybdenum concentrate also rising.
This section describes molybdenum ore, molybdenum concentrate standard, molybdenite molybdenum processing and sorting features miners arts features.
Evaluation criteria for molybdenum ore
The industrial grade of molybdenum deposit is determined to be 0.06%~0.08% Mo, and the cut-off grade is ≥0.02%~0.04% Mo. The thickness of the molybdenum ore body can be less than 1~2m, and the thickness of the stone between the ore bodies should not be more than 2~4m. In the copper -molybdenum deposit , the boundary grade of molybdenum is ≥0.01%~0.015%. In the tungsten-molybdenum deposit, the boundary grade of molybdenum is ≥0.01%.
Industrial grade and cut-off grade ore with the product value and improve the development of technology, will be adjusted accordingly.
In determining whether a deposit worth mining, in addition to understanding molybdenum ore grade of the poor, the rich, how many deposits of molybdenum metal reserves, but also know the deposit mining conditions, optional ore, construction related to water, electricity , transportation coordination conditions, etc. The most important thing is the economic benefit estimate. This is especially important for small mines.
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