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Three kinds of representative commercial extractants LIX984N, LIX606N and LIX973N were choosed for the test research on the extraction of copper from the solution bearing high concentration of sulfuric acid and iron.The recovery of copper extraction 、effect of Cu/Fe separation and copper stripping performance were compared among the three kind of extractants.The results demonstrate that Lix606N and Lix973N possess more powerful copper extraction ability over LIX984N ; But Lix973N and Lix984N possess a better Cu/Fe separation ability than LIX606N.According to the performance of copper extraction and Cu/Fe separation.Lix973N is more suitable for extracting copper from the solution rich in sulfuric acid and Fe3+.