Construction waste such as concrete washout is under scrutiny from environment agencies around the world, largely due to its heavy-metal content, notably chrome. With...

TerraFirma’s recirculation tank with ejector pump (photo credit: Josh Peltier). The highly anticipated Platte 15 multi-use mid-rise structure, located at 15th and Platte streets in...

Performance Curve From self-cleaning toilets to hands-free faucets, new technologies optimize comfort and convenience of everyday life. However, some innovations can expose vulnerabilities in existing...

In an effort to develop the perfect balance of reliability, efficiency, and simplicity, Xylem Bell & Gossett recently introduced a true variable speed ECM...

The City of Monroe, Washington’s wastewater treatment plant serves roughly 18,000 residents and was using twin double disc pumps to convey primary sludge. A...

Anthropologists have determined that the tarlike petroleum byproduct known as bitumen, defined as “a black, viscous mixture of hydrocarbons,” was first used as an...

The “Efficiency Island” is shown in red—bounded by the maximum impeller diameter, minimum impeller diameter and the iso-efficiency lines. The goal is to maximize...

Purpose-built for hard-to-handle fluids, Landia's Chopper Pump at Fredericia, Denmark. At the Danish deep-water port of Fredericia, close to the international route of the Great...

Sometimes mined, but most often manufactured, the transportation and handling of asphalt is a challenging enterprise. Asphalt in the latter form is a carefully...

Many people in Africa have little or no access to healthcare. As a result, many children, teens and adults suffer and die every day...