Industrial Utility Efficiency

Wastewater

Overcoming Aeration Turndown Limitations with Compressed Gas Mixing

By Sarah Elger, P.E., Director of Strategy and Marketing and John Koch, P.E., Vice President of Technology, EnviroMix Inc.

When a facility plans for a wastewater treatment plants, they typically design based on population and industry growth twenty to thirty years into the future. Regulatory requirements often dictate designing the activated sludge process equipment based on future-state influent flow and loading conditions, resulting in decades of constrained, inefficient, and suboptimal operation. 

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Wastewater Best Practices: Austrian Wastewater Plant is a Net Producer of Energy

Did you know that wastewater contains ten times the energy needed to treat it? Located near Strass im Zillertal, the Strass wastewater treatment plant (WWTP) serves 31 communities in the Achental and Zillertal valleys east of Innsbruck, Austria. It provides wastewater treatment for a population that ranges from approximately 60,000 in the summer to 250,000 during the winter tourist season, and has treatment requirements that include organic and nitrogen removal. An energy-independent facility, the plant produces more electrical energy than it requires for its operation.

 

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Tubular Membranes Handle Oily Wastewater at Metaldyne

By Bill Cleary, Metaldyne

Finding the most effective, reliable and economical method for separating and concentrating die lubricant is no easy task for die casting plants – and the situation at the Metaldyne aluminum die casting plant in Twinsburg, Ohio was no different. 

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