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University of Texas at El Paso (UTEP) Center for Inland Desalination Systems (CIDS)

El Paso, TX

We will use Fujifilm's salt-free electrodialysis metathesis (EDM) process to recover 90% of Yuma MODE RO concentrate as EDM product (<1000 mg/L TDS) to blend with MODE RO permeate for a total system recovery >98%. By clever process configuration, salt-free EDM is a double-bonus cost-saving technology: first, it enables very high recovery with two concentrate streams, minimizing concentrate disposal costs; and second, it uses half the energy of conventional EDM. Pilot testing on real brackish water at Reclamation's BGNDRF in Alamogordo, NM revealed that very high recovery can be achieved with salt-free EDM.