Electrodialytic removal of H2SO4 from its aqueous mixture with Na2SO4
DOI:
https://doi.org/10.12775/CL.2010.012Abstract
The experimental results of the separation of sulfuric acid from sodium sulfate by the membrane electrolysis method have been presented. The anion-exchange membrane Neosepta ACM has been used. It has been found that the current efficiency of H2SO4 removal is similar for pure acid solution and for the mixture H2SO4-Na2SO4 if the initial acid concentrations are the same. For the same current density effectiveness of H2SO4 removal is higher for lower initial acid concentration (63% for 0.5 M and 56% for 1 M (j = 100 mA/cm2).
References
A.B. Kołtuniewicz, E. Drioli, Membranes in Clean Technologies, Theory and Practice, Wiley-VCH Verlag GmbH & Co, KGaA, Weinheim.
K. Scott, Handbook of Industrial Membranes, Elsevier Advanced Technology, Oxford, 1995.
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