September 2019
Several times this year I have read articles on social media about people dying while working in trenches. These posts often get shared in industry groups and inevitably receive many comments from peers and industry professionals. Most people express…
Wastewater systems are vital to maintaining the health of a community. We depend on them to carry waste, runoff and pollutants away from population centers to a place of final treatment or disposal. However, because wastewater systems require frequent…
Any time water accelerates or decelerates in a pipe, a pressure wave is created. Usually, these changes are small and can be ignored. However, larger pressure waves, referred to as transients, water hammer or surges, can cause serious problems. High…
Fred Kohlmann, Endress+Hauser
As a field service technician traveling to customer sites to do repairs, there are varied complains to address. They range from component level repairs on circuit boards to sensor replacement, cleaning and calibration.…
Doug Riseden, Krausz Hymax
technical support manager
Had his teenage self been told he would become an educator who loves the teaching element of his job, Doug Riseden likely would have laughed.
“I really had very little idea what I wanted to do.…
The availability of affordable, clean freshwater for potable use, food production and industry appears to be a major hurdle to quality of life in much of the developing world. To address this global challenge, the United Nations (U.N.) released its…
Built in 1996, the Dulces Nombres Wastewater Treatment Plant in Monterrey, Mexico, is operated by Servicios de Agua y Drenaje de Monterrey (SADM), which provides drinking water, sewage collection and treatment services to the Monterrey metropolitan area…
The Lackawanna River Basin Sewer Authority’s Wastewater Treatment Facility in Archbald, Pa., was facing problems with its fine bubble aeration system.
An older facility built in the 1970’s, the plant had implemented several upgrades over the years to…
Embracing our excrement has symbolic implications. Human sludge, also termed biosolids, differs depending upon where it is generated and what types of contaminants are exposed to this byproduct. Biosolids may contain heavy metals such as lead and mercury…
Forward-thinking utilities with a trusted system integrator and the right software can bring an older system into modern times. It also can all be done in a cost-effective manner.
The town of Wilkesboro, N.C., found the right combination of elements to…
Nominate
The Water & Wastes Digest staff invites industry professionals to nominate the water and wastewater projects they deem most remarkable and innovative for recognition in the Annual Reference Guide issue. All projects must have been in the design or construction phase over the last 18 months.
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