Molybdenum News Center

End at the beginning 1970s, 1980s, molybdenum full wet oxidation leaching process successfully developed, and has been increasingly widely used in industrial production, has developed a nitric acid oxidation process, strongly acidic (or basic) media oxygen pressure cooking technology, electro-oxidation process and other strong oxidants process. Wet process molybdenite under slurry state MoS2 oxidation leaching process does not produce any smoke, and is conducive to a variety of comprehensive recovery of valuable elements, increasing the urgency of the current low-grade ore smelting complex with strong advantage. Molybdenum leaching rate and final recovery greatly improved, relative to improve plant production and labor conditions, automated continuous production and leaching processes. 

 

When dealing with low-grade molybdenum mineral raw materials, sodium hypochlorite is a very effective oxidation leaching agent. Oxidation leaching process, the decomposition of sodium hypochlorite itself will slowly precipitated oxygen, some other metal sulfide is sodium hypochlorite will be oxidized or hydroxide of these metal ions will generate molybdate and molybdate precipitate, the solution entering Mo returned to the slag. Control access to appropriate conditions, can reduce the oxidation of other metal sulfide leaching. 

 

Sodium hypochlorite law despite mild reaction conditions to produce and easy to control, less demanding on equipment, low investment in equipment costs, but raw materials consumed in large quantities of sodium hypochlorite caused by high production costs, the method commonly used in the low-grade ore, tailings leaching, which although improved technology --- chlor-alkali method may be appropriate to reduce drug costs, but the presence of chlorine and chlorine source of supply restrictions pollution problems. 

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