Electrodialysis Bench-Scale Facility

Argonne Bench-Scale Electrodialysis Facilities: Argonne has been developing electrodialysis-based technologies since 1994 for applications ranging from product recovery from industrial waste streams, to the purification of various industrial process streams. We have a number of small stacks (e.g. TS 2-5 shown above) that we use in our bench-scale tests. In these tests, we evaluate chemistry, determine preferred ED-operating conditions, and identify commercially available membranes and their arrangement in the stack. The objective is to develop a cost-effective technology for a particular application.

Pilot Electrodialysis Facilities

Argonne Pilot-Scale Electrodialysis Facilities: The electrodialysis technologies we develop at the bench scale are further evaluated in our electrodialysis pilot plant, constructed in 1999 and shown above. The pilot plant can accommodate a variety of commercial-scale ED stacks, including those with water-splitting bipolar membranes. Currently in our pilot plant, we are using a large Eurodia ED stack (EUR-40-76-5) to evaluate our technology for salt-crystal recovery from brines generated by processing salt cake, an aluminum industry waste in our large ED stack.

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