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Copper solvent extraction
Copper solvent extraction
Metals are found as ores buried in the Earth's crust. So how do we get to the final metal? There are three main stages.
miningextractionpurification.An ore has to be changed chemically into the metal. This process is called reduction. How this is done, and how much it costs, depends upon the metal's reactivity (see reactivity properties). In general, the more reactive the metal, the harder it is to extract it from its ore.
Metal | ore | Reactivity | Primaryprocess |
copper | various ores | low | roasting in air |
Purification
Classification of copper extractant The compound copper extractant of ketoxime and aldoxime can be used alone or mixed with LIX984, LIX973, M5640, N902 in any ratio. DZ88: The mixture of ketoxime and high flash point kerosene.DZ988, DZ988N: The mixture of equal volume ketoxime and aldoxime mixed with high flash point kerosene.DZ973, DZ973N: The mixture of aldoxime and ketoxime in volume of 7:3 mixed with high flash point kerosene.
DZ902: Aldoxime added specific anti-oxidant and mixed with high flash point kerosene.Feature of Ketoxime: Extraction capacity is slightly smaller, but the property of phase separation is excellent, easy reverse extraction, chemical stability is good, and strong antioxidant. Features of Aldoxime: Extraction capacity is slightly higher, but can be used for greater acidity liquid. However the reverse extraction, phase separation and stability are less than ketoxime.The mixture of ketoxime and aldoxime has both advantages of ketoxime and aldoxime.
1, Density (25οC),0.91--0.93
2, Flash Point (οC),≥80οC
3, Solubility of Copper Complex g/l ≥4.7-5.1g/l
4, Extracting Kinetics %,30s ≥92% (30s)
5, Maximum Copper Load Capacity,<100 g/l Cu
6, Back-extracting Isotherm Point (25οC) g/l,Organic phase,≤0.65 g/l Cu
7, Time of Phase Seperation(s), Extraction,≤80s
Supply more than 100ml free sample for test. 25ml is enough.
Lump of copper ore Copper mine Native copper
Copper solvent extraction
