Pumps

System solves accuracy drift Problem The Bethpage (N.Y.) Water District metered caustic soda with diaphragm pumps, but accuracy drifted between maintenance periods and the...

Peristaltic metering pump Peristaltic pumps for metering (LPP-M) from Flowrox are designed for pumping diverse slurries and accurately metering a wide range of...

There’s an old saying: Make hay while the sun shines. But the West Jackson County Land Treatment Facility, in Ocean Springs, Miss.,...

Rockwell Automation AC Drives Allen-Bradley PowerFlex 755 AC drives from Rockwell Automation have an extended power range of 900 kW/1,300 hp and 600/690...

Rotary lobe compressor cuts costs Problem Personnel at the Town of Huntington (N.Y.) Wastewater Treatment Plant were troubled by the energy requirements of three...

Electric boiler The Acme-Slim electric hot water boiler from Acme Engineering Products offers the precise amount of kilowatts for reduced demand. With minor...

An upgrade and expansion at the Kurt R. Segler Water Reclamation Facility in Henderson, Nev., included 23 submersible mixers installed in a...

The Sonic-Pro S3c hybrid ultrasonic flowmeter from Blue-White Industries combines selectable Doppler technology and Transit Time in a single device, so that...

The Mount Carmel (Pa.) Municipal Authority Wastewater Treatment Plant serves Mount Carmel Borough, parts of Mount Carmel Township, and Cunningham Township in...

If his dad hadn’t been a wastewater plantsuperintendent, Tony Foster might not have taken the job at the Heyworth (Ill.) Sanitary Treatment...

The City of Leominster (Mass.) Water Pollution Control Facility has gone 25 years without a lost-time accident, which statistically makes it one...

Chlorine analysis The SC400 colorimeter from Orbeco-Hellige can test two ranges of free and total chlorine — 0.01-2.0 mg/l and 0.1-8.0 mg/l. Users...

Jeff Rewerts hasn’t always been a wastewater treatment operator,but when he changed careers six years ago by joining the City of Mason...

Nutrients removed from municipal wastewater in Oregon are helping to restore the salmon fishery in British Columbia. It’s a novel arrangement built...

The Eganville Sewage Treatment Plant in Bonnechere Valley, Ont., paid $27,500 per year to handle 350,000 gallons of digested biosolids at 2.5...

Sludge scraping The ZICKERT Shark sludge scraping system from WesTech Engineering has concave forward faces to transport sediment toward a sludge pit. During...

Pump resolves maintenance issues Problem Mechanical seal failures on 6-inch pumps in lift stations were frustrating Jay Roberts, primary operator at the Bradford (Ohio)...