German-based association arche noVa specializes in the provision and restoration of drinking water supplies in disaster areas. The devastating earthquake in Nepal claims humanitarian...

Ozone can be generated by exciting a flow of oxygen with sufficient electrical or optical energy. This will cause a certain amount of oxygen...

For industrial process facilities, membrane filtration is a valuable, commonly used means of filtering water and wastewater. The challenge is that membrane systems are...

Around the world, private companies and government agencies are looking to reduce the greenhouse gas (GHG) emissions associated with their activities, including increasing their...

In the immediate years ahead, the water sector faces a host of significant challenges. Climate change—and with it, extreme weather events, increasing water scarcity,...

By Wes Byrne, U.S. Water On the surface, it might seem that knowing when to replace the membrane elements in a reverse osmosis (RO) system...

Every wastewater treatment facility eventually faces the challenge of aging and deteriorating equipment, affecting operational efficiency. Drives struggle to keep up their power, skimmers...

Figure 3: On-Off Control Dissolved Oxygen Response (source: Meck, D., R. Odum, N. Wobbrock, Cornell University) In the final piece of this series, we detail...

Fargo, North Dakota, sits on the western bank of the Red River of the North and serves as the industrial, as well as cultural,...

When the Santa Margarita Water District (SMWD) was formed in 1964 by a group of ranchers who wanted a reliable water source for their...