Quality of China Molybdenum Concentrate
- Details
- Category: Molybdenum's News
- Published on 17 October 2014
- Written by luya
- Hits: 416
1. Molybdenum concentrate quality specifications
Grade I, grade II, grade III
2. The inspection standard
Export inspection is implemented to the chemical composition of molybdenum concentrate GB / T15079-94.
3. The quality of molybdenum concentrate
The majority of China molybdenum mine production of molybdenum concentrate and molybdenum content of the main elements is the lower mo content and higher impurities. In addition to a handful of high-grade molybdenum concentrate, most of Mo in molybdenum concentrates containing 45% to 47%. With the United States and Chile molybdenum concentrate production compared to low levels of the main elements of 3 to 7 percentage points. The reason is that from the beginning of the 1950s, the standard reference implementation of molybdenum concentrate the former Soviet Union standards. Although the quality of molybdenum is not high, but in line with existing national standards. Molybdenum concentrate quality and the larger the gap between industrial countries abroad reasons, in addition to the implementation of standards is low, but from the perspective of the beneficiation process, our lead high molybdenum concentrate. The main reason is the molybdenite sorting process, particularly in the selection of a job, there is no use of lead minerals inhibiting agents. Molybdenum concentrate containing molybdenum reach 54%, which is mainly related with the beneficiation process. The main reason is the number of coarse concentrate regrinding section too. Most domestic beneficiation process uses some regrinding, and foreign Molybdenum plant to use more two or even three segments regrinding. Some regrinding beneficiation process, due to monomer dissociation molybdenite low, also led to higher molybdenum concentrates containing lead.
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