Jan152015

Stuxnet and You: The Importance of Cyber Security

Blogs

45383368_secureflatscreenCR The Stuxnet computer worm was discovered in 2010. It targets Siemens PLCs (Programmable Logic Controllers) through Siemens Step7 software. Through a rootkit, Stuxnet can control VFDs (Variable Frequency Drives) attached to the PLC. Allegedly, it damaged or destroyed many Iranian centrifuges. More information about the Stuxnet infection process can be found at http://www.symantec.com/connect/blogs/exploring-stuxnet-s-plc-infection-process. Although it is not the first…

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Oct312014

How the Water-Energy Nexus Affects Your Plant

Blogs

The water-energy nexus continues to draw interest from our readers and attention in the media. This month, WaterWorld magazine gave it the importance of a cover story position. Why does it deserve such prominence, and what does it mean to your and your treatment plant? In simple language, the water-energy nexus represents recognition of the interdependence between…

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Oct162014

Smart Water Workshop

Blogs

We are partnering with the Schneider Electric Water-Wastewater Competency Center to provide a one-day workshop entitled “Smart Water for Smart Cities” on Thursday, November 13, 2014, from 8:30 am to 3:30 pm. The workshop will address issues such as clean power, efficient energy usage, and safety within the water/wastewater treatment environment. The event will be hosted…

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Jul212014

No Such Thing as “Waste” Water

Blogs

As we have posted on this subject before, the municipal wastewater stream has considerable potential for energy recovery. This recent article from Municipal Focus magazine indicates how strongly some areas of the world recognize that fact as they have started referring to wastewater treatment facilities as “energy factories.” We encourage municipalities to look at their wastewater streams…

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Jul22014

Pump Efficiency and Energy Savings

Blogs

Charli Matthews, publisher of “Empowering Pumps,” has published a very good post addressing issues related to pump efficiency and energy savings. Her article addresses the history of pump motors, some current statistics, and a few elements of the future of energy efficient pumps, including variable speed drives for pumps. One area Charli’s article does not address is…

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