ULTRAPEN™ PT3 is Myron L Company’s groundbreaking new ORP and Temperature Tester. The PT3 is as accurate and stable as benchtop lab equipment, and features dip and scoop sampling for standing bodies of water and vertical streams, giving you real-time analysis before atmospheric and other environmental conditions can affect the chemistry of the sample. Constructed of durable aircraft aluminum, this pen is fully potted for extra protection, with an easy-to-read LCD and one-button functions. Learn more.
In this first installment to the monthly series, you'll learn the difference between positive displacement, turbo, and hybrid blowers; how to find your efficiency "sweet spot"; and how Aerzen helped a utility save an estimated $44,000 per year.
Mixing Things Up By Jared Wray, P.E., and Daniel Alper
To appreciate the importance of mixing, it helps to consider the array of products that require mixing as they are made or refined. Stirring with a stick may seem crude, but for an application like cooking, it is still a state-of-the-art mixing technology. As increasing volumes of material need mixing, larger and more automated mixing technologies are required.
Polymer Dosing: Vacuum-Driven Vs. Pump-Driven By Cliff Lebowitz
Operations management for a municipal water treatment plant (WTP) reports reliable replacement of a problematic, pump-driven polymer dosing unit in its solids contact clarification system with a special, vacuum-driven dosing unit.
From The Editor
EPA Goes Too Far
“Government overreach” is a phrase bandied about a lot these days and — politics being what they are — it’s usually wise to consider the source. This time, however, the charge comes from a federal judge, who recently ruled that the U.S. Environmental Protection Agency (EPA) overstepped its authority in attempting to regulate stormwater flow into a Virginia watershed.
The simplicity of the Duperon FlexRake is possible through the multifunctioning action of one part: the FlexLink. This innovative, patented design allows the link to function as a frame, lower sprocket, and connection point for scrapers, and be driven by a single sprocket.
One of the more popular features of large-diameter MegaMc fusion machines is the hydraulic clamping that tightens the jaw clamps. Now, users can retrofit their Rolling and TracStar 412s, as well as their Rolling and TracStar 618s, with hydraulic clamping that replaces the standard manual crank clamp knobs.