Table 4 shows that the k value has an increasing trend with the increasing of passivation time, indicating that FSC can efficiently and selectively enrich and separate Cu from the composite heavy metal solution.
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Simulation study on selective recovery of Cu from Cu-Co-Ni composite system by Fe-struvite composite.
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The adsorption of Co/Ni by FSC shows an overall trend of increasing and then levelling off, but the presence of other ions significantly reduces the adsorption of Co/Ni by FSC ( Fig. 3B and C ).