Regeneration of mixed solvent by electrodialysis: selective removal of chloride and sulfate

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Gärtner, R.S. and Wilhelm, F.G. and Witkamp, G.J. and Wessling, M. (2005) Regeneration of mixed solvent by electrodialysis: selective removal of chloride and sulfate. Journal of Membrane Science, 250 (1-2). pp. 113-133. ISSN 0376-7388

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Abstract:The applicability of electrodialysis for the selective removal of sulfate and chloride ions from a mixed solvent solution of sodium carbonate is investigated. The mixed solvent consists of 70 wt.% ethylene glycol and 30 wt.% water. Six different ion exchange membranes, the homogeneous membranes Neosepta CM-2, AM-3, AMX and ACM as well as the heterogeneous FuMA Tech CM-A and AM-A, are tested for their chemical and physical resistance to the mixed solvent carbonate solution, their ethylene glycol retention, their electrical resistance in the mixed solvent and their selectivity for sulfate and chloride over carbonate transport.
Item Type:Article
Copyright:© 2004 Elsevier B.V.
Faculty:
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/52598
Official URL:http://dx.doi.org/10.1016/j.memsci.2004.10.022
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