Treatment

Energy efficiency has become a big issue in wastewater treatment. There are two basic ways to deal with energy in a treatment...

Cliff Morris is like a man with a new car. As chief operator of the three-year-old East Water Reclamation Facility in Bonita...

Solving costly clogging issues Problem: Household items clogged the pump impellers in the Inkster (Mich.) lift station every 28 hours and, in some...

In 1994, the Bonnybrook Wastewater Treatment Plant in Calgary, Alta., completed the first phase of an upgrade to biological nutrient removal (BNR)...

Accutech Wireless Doubles Manufacturing Capacity Control Microsystems, a Schneider Electric company, has expanded the manufacturing capacity of its Accutech wireless instrumentation facility....

Bar screen lowers maintenance costs Problem The Camrosa Water Reclamation Facility in Camarillo, Calif., recycles 1.5 mgd for irrigation, but the mechanical bar screen...

The 400,000 gpd wastewater lagoon in Parsons, W.Va., had dissolved oxygen, BOD5, TSS, ammonia, and significant algae problems, resulting in more than...

Neptune Offers Electric, Air-Driven HGL Mixers HGL mixers from Neptune Mixer Co. are available in electric and air-driven models. Designed for IBC...

When you talk with Roger Gervais at the wastewater treatment plant in Redding, Conn., you could easily believe there is nothing he...

The City of Kelowna learned a critical lesson about composting: It pays to do things right. A newly upgraded composting facility now...

A museum, public plaza, hotel, and mixed-use development are sprouting around the East Bay area of the Port of Olympia, Wash. The...

The Octopus biosolids dewatering centrifuge autopilot from Alfa Laval is custom designed to monitor, control and optimize all aspects of the dewatering...

Removes small inorganics The JDV Grit Classifier from JDV Equipment is a low-maintenance system with high-efficiency features to handle flows up to...

When the city of El Dorado, Kan., needed to upgrade its trickling filter/rotating biological contactor plant to meet ammonia limits and deal...

Microbiologically induced corrosion (MIC) was a persistent maintenance issue for Miami-Dade (Fla.) Water and Sewer Department (MDWASD). “We spend a lot of money...

Eighty-year-old aeration basins, 30-year-old equipment, no methane production from the digesters. The City of Two Rivers, Wis., had many reasons to upgrade...

The adage that engineers design treatment plants but operators make them work is never more true than at the Henry N. Wochholz...