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POTASSIUM ETHYL XANTHATE (PEX)
Specification:
Apperance | Yellow Pellet |
Acticity %min | 90.0 % |
Free Alkali %Max | 0.2% |
Moistore&Volatile %max | 4.0% |
Solubility | Soluble in water with no impurity |
Packing Detail:
Item | Type | Packing | Quantity |
1 | Iron drum | 120kg net Iron drum | 16.08mts (134 drums) per 20’FCL |
2 | 160kg net Iron drum(with or without palet) | 12.8MTS(20 Pallets or 80 drums) per 20’FCL | |
3 | Bag in box | 850kg wooden box with big bag inside | 17mts(20 boxes)/20’FCL |
4 | 850kg wooden box with 25kg or 50kg net PP woven bag inside | 17mts(20 boxes)/20’FCL |
Application:
· Potassium ethyl xanthate, as the mining reagent, is the weakest xanthate , but PEX is very selective given the correct chemical conditions.
· PEX is best for the recovery of sulfides that are relatively hydrophobic like galena.
· Potassium ethyl xanthate (PEX) can recover all sulfides but because of its weak nature, the flotation kinetics are very slow.
· Flotation Collector PEX(Potassium ethyl xanthate) is not recommended for copper sulfide or copper-activated sphalerite flotation unless the head grades are low.
This is due to the large retention required to compensate for the slow kinetics. It is also not recommend for partially oxidized ores because it will not have the pulling strength to recover wanted minerals.
· PPOTASSIUM ETHYL XANTHATE is recommended for lead-zinc ores, low grade copper ores, and ores that contain a minimal amount of zinc.
· Collector PEX will be selective against iron sulfides at lower pHs than other xanthates.
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