Most Recent

A pilot project significantly boosted biogas yield by pretreating biosolids with steam, pressure and oxygen before anaerobic digestion. The process converted 80-85% of...

Laboratory drinking water and wastewater analysis demands an accurate solution like mass spectrometry to help environmental testing labs monitor the water that...

With the processes that treat water and wastewater becoming increasingly automated, accurate control of valves is an important component. The Alfa Laval...

Patterson Manufacturing davit cranes give operations a lift Designed from the ground up for ease of use, durability and reliability, Patterson Manufacturing’s davit cranes...

PWTech welcomes Vincent Rada to leadership team Process Wastewater Technologies welcomed Vincent Rada as sales manager for the western U.S. and Canada. Rada brings...

In a couple of months, a team of operators from all over the U.S. and around the world will join the Operations...

WASTEWATER By Rick Lallish Oxidation-reduction probes read changes in potential when dissolved oxygen is present and not present. ORP readings of -200 mV typically...

UV light is a proven disinfection agent for drinking water and wastewater treatment. A variety of technologies are available. The key challenge...

People/Awards John Rellick retired as superintendent of the Indiana Borough (Pennsylvania) Wastewater Treatment Plant after 34 years of service. He started his career...

Every kid wants a pet fish in the bedroom — until it’s time to scrub off the algae that grows on the...

Industrial dairy turns to chopper pump system to recirculate foul air ProblemHollandia Dairy, one of California’s oldest independent dairies had a buildup of odorous...

At the core of most of Hydro International’s wastewater, stormwater and flow control technologies is vortex separation. There are two very big...

Hydrogen sulfide is oxidized to sulfuric acid by what bacteria, common in pipe walls in collection systems and lift station wet wells? ...

Welcome back to TPO magazine's Exam Study Guide Series, which offers a pair of water/wastewater study questions with in-depth explanations of the answers. Last time, we...

Type 0961 filaments are readily distinguishable at 1,000x oil immersion phase contrast as a light or transparent filament with rectangular cell shape,...

A nationwide multidistrict litigation bellwether lawsuit addressing PFAS contamination, which had been set to start trial June 5, has been postponed so...

In the water and wastewater treatment industry, the role of advanced gas detection equipment has become increasingly critical. From long-lasting, rugged gas...