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A Water Service company had customers that were scheduled for completions of weekly, biweekly and monthly services. Sometimes their customers had... more
Alexandria Sanitation Authority in Alexandria, Virginia.
SITUATION...
As the city's primary sewage treatment facility, this plant... more
The maintenance crew at Pennsylvania Power Company’s Bruce Mansfield Plant in Shippingport, Penn., had a chronic problem with cracking and... more
When one of four circulating water pumps at the Potomac Electric Power Company (PEPCO) Chalk Point Generating Station began to leak, engineers... more
Challenge
The Town of Cobourg, located near Toronto, Canada, has reduced operating cost at its wastewater pumping station by 30% after an... more
Challenge
Monitoring sludge levels in clarifiers is important for efficient operation of a wastewater treatment plant, but accurate... more
Organic hydrocarbons and PCB’s were to be removed from the sediments of a creek bed in western New York State as part of a NYSDEC consent order.... more
"We sell water softening systems," says Kinetico IS Manager Ned Sherry. "We install them, and we do service calls. We deliver salts, and one store... more
Early Spanish settlers described Ventura County as the “land of everlasting summers” and named this region located northwest of Los Angeles County... more
Don Utz, the President of Metalcraft, 55943 Hoosier Avenue, Mishawaka IN 46545, utilizes a Wire Electronic Discharge Machine for machining. Their... more
Installation of a new system that grinds, washes, compacts, and dewaters bar screenings at the Meriden(CT) Water Pollution Control Facility has... more
Brackish water at the Brandon Shores Power Plant on the Patapsco River in Maryland (owned and operated by Constellation Power Source) was eroding... more
Pumping the Everglades clean
When the Florida Legislature passed the Everglades Forever Act in 1994, it enlisted the help of pump... more
The superintendent for a midwest quarry had pump control dilemmas. The existing float system was failing the quarry on several accounts. The... more
Colorado Springs, CO WWTP - Colorado Springs had mechanical and process problems with their submerged directional mixers, which were causing... more
In the late '90s, organic and ammonia loadings to Leacock Township, PA STP increased to the point where they routinely exceeded the nominal design... more
The problem associated with reverse osmosis produced water is not in the processing, nor in the ability to provide needed quantities of water to... more
Bio Stimulants Lower WWTP Sludge Disposal Costs
The Problem:
How can the cost of aerobic digestion of waste activated sludge be... more
From Farmland to Flower Beds: Mountain City, Tenn.’s WWTP Improves Quality of Biosolids
Challenge A few years ago, the Mountain City,... more
City of Goldsboro, N.C. Strikes Gold with Its New Biosolids Management Program
Challenge
Like many other growing communities, the... more
POLL
