Separation of H(2)SO(4) + CuSO(4) mixture by diffusion dialysis |
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Authors: | Palatý Z Záková A |
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Affiliation: | Department of Chemical Engineering, The University of Pardubice, Cs. legií 565, 532 10 Pardubice, Czech Republic. Zdenek.Palaty@upce.cz |
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Abstract: | Diffusion dialysis of aqueous solution of H(2)SO(4) + CuSO(4) has been investigated in a two-compartment cell with an anion-exchange membrane Neosepta-AFN. The experiments have proved that sulfuric acid permeates well through the membrane used, while cupric sulfate is efficiently rejected. This operation is very effective at high acid concentrations and low concentrations of cupric sulfate. Furthermore, it has been found that even at the highest concentration of CuSO(4), the rejection coefficient is higher than 0.965. The flux of CuSO(4) calculated from the time dependences of the CuSO(4) concentration is negatively influenced by increasing acid concentration. |
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