My research topic is to use solvent extraction method to purify a solvent solution. But the concentration of target metal is too high, nearly 5~10g/L, and the impurity metals totally add up to 0.1g/L. I want to remove some impurities through extraction. And remove the other impurity metal with similar properties through scrubbing. The loss rate of target metal reaches 10%. Is this process feasible？
Dear He
For removal of impurities from electrolytes, various techniques can be used, including solvent extraction (SX), precipitation, adsorbents, etc. . In the case of SX, you should consider extraction-pH diagrams. For instance, you can remove the impurity of iron from a zinc sulfate electrolyte using D2EHPA. The extraction-pH diagrams are a powerful tool to study SX.
Therefore, plotting the extraction-pH diagrams are highly recommended.
Best of luck
Yes, it can be done. You just have to make sure that the concentration of your extracting agent is high enough to obtain a good yield.
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