Presentations by N.A. Water Systems, a Veolia Water Solutions
Zero Discharge Desalination (ZDD) Technology - High Recovery Solution for Inland Desalination to Significantly Reduce Brine Disposal
This ZDD technology involves the use of EDM to concentrate two streams of the RO concentrate, one CaSO4 rich and one NaCl rich. These streams are then combined to precipitate out gypsum. This stream is then recycled back to the RO feed. This method has shown to increase brackish water RO recoveries from 75% to 99%....
Selection Criteria for High Recovery Membrane-Based Technology Solutions to Address Water Reuse and Concentrate Disposal
Paper focuses on several membrane-based treatment approaches that are aimed at achieving water recoveries greater than 90% to maximize yield while minimizing impacts from waste disposal. Technologies including reverse osmosis, nanofiltration, electrodialysis and electrodialysis metathesis were evaluated. The study confirms that selection of a suita...