Product Spotlight - January 2020

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The ability to cut costs while maintaining high-quality treatment is on the forefront of every water treatment operator’s mind, especially during budget time. Rather than install new treatment processes, though, sometimes the key to cost savings is simply ensuring existing processes run as peak efficiency. Noria Water Technologies offers the Membrane Monitor (MeMo), a technological advancement designed to detect and continuously monitor fouling and scale on nanofiltration and reverse osmosis membranes as it occurs.

The device helps enable effective fouling and scale mitigation strategies in water treatment and desalination plants, including optimal anti-scalant dosing. The company estimates that by eliminating fouling and scaling on the membrane surface, water production costs can be reduced by 10% to 30%.

“Plant operators are typically left with very little information when operating their systems, relying on industry standards, indirect monitoring and trial and error,” says Sivan Sidney Cohen, CEO of Noria Water Technologies. “Our system enables plants to cut chemical use in half, double membrane life span, increase recovery rates by up to 30%, decrease energy usage by up to 20% and reduce plant downtime.”

To optimize performance, the system can be placed in a variety of positions throughout the membrane plant. Larger uses can choose multiple monitoring points within a facility, while smaller systems may require only one monitoring point. The technology yields savings by enabling membrane operation at near maximum or optimal product water recovery levels. It also reduces RO brine volume and related treatment and disposal costs.

In addition, the system prolongs membrane life and reduces chemical cleaning costs by catching fouling and scaling issues early through automated detection. This allows for more effective application of membrane fouling/scaling mitigation strategies. Finally, the system reduces personnel time and cost for membrane replacement and cleaning and for general membrane troubleshooting.

“Product and process innovations are being implemented across the water industry and are driving down the costs and challenges of desalination,” Cohen says. “Real-time monitoring is an approach that is poised to make a significant impact on the way we use membrane-based water treatment to meet our rising water needs.” 



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