Description of Coarse Scheelite Tungsten Ore Processing Plant in Africa-I

How to scheelite ore dressing process? And what grade of tungsten can be processed?

For scheelite tungsten ore, floatation separation is used very commonly due to its great floatability. Rough floatation separation and fine selection has been included in the floatation separation of scheelite. Rough floatation separation is to remove the waste to the largest extent with a good recovery while the fine selection is the key to get high grade scheelite tungsten concentrate.

The sulfide ore is usually mixed in the white ore bed with the molybdenite especially common. During the scheelite beneficiation, sulfide ore will be beneficiated by floatation separation, and then the Scheelite will be floated then. The floatation of Scheelite is done in alkaline medium. Na2CO3 and NaOH will be used to improve the Ph of the pulp to 9-10.5. Sodium silicate, quebracho juice, tannin, kinds of phosphate will work as inhibitor. oleic acid, sodium oleate, tall oil, oxidized paraffin wax soap will be used as collector with its own frothing capacity while most of them needs no blowing agent when working.

 

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