Treatment

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...

Pumper & Cleaner Expo Heads to Indianapolis in 2012 The 2012 Pumper & Cleaner Environmental Expo International will be held in Indianapolis Feb....

When the citizens of Kern and Ventura Countiesspoke up, clean-water professionals LISTENED. Until 2009, biosolids produced in Ventura County were hauled 150...

Solar-powered mixers from SolarBee are designed to solve municipal wastewater quality problems including odor control, discharge permit violations, and high energy costs....

Sure Seal Butterfly Valves Receive Patent The tapered-seat design of Sure Seal’s LBF Series lined butterfly valves has received patent No. 7,758,017....

For years, operators at the Suffield Water Pollution Control AUTHORITY wastewater treatment plant tried in vain to meet increasingly stringent total nitrogen...