Operators at the City of Corning (N.Y.) WastewaterTreatment Plant knew the advantages of visually monitoring biomass growth in their submerged rotating biological...
Editorial
Control by Observation
Entries Tagged Clarifier
Editorial
People Make The Difference
The misbehaving Nolin River brings challenges to Hardin County Water District No. 2 in Elizabethtown, Ky. Agricultural runoff enters the water quickly...
Editorial
Tanks, Structures and Components
Fabric buildingsClearSpan Fabric Structures Hercules truss arch buildings feature high clearances and spacious interiors without support posts. They are outfitted with triple-galvanized...
Editorial
Biosolids Management and Headworks
Drum thickener
The ALDRUM G3 drum thickener from Alfa Laval increases solids load capacity up to 30 percent within the same footprint...
Editorial
Growing as Partners
The Missouri River and Mississippi River waste-water treatment plants in St. Charles, Mo., have been challenged to keep up with ...
Editorial
Better Recipe
The Haines City (Fla.) Wastewater Treatment Plant has found a way to recycle its biosolids more easily, make a product...
Editorial
Clear Improvement
Clarifiers are often the limiting factor in a wastewater treatment plant's capacity, says John Esler, president of Clarifier Performance Evaluations...
Editorial
Tanks, Structures and Components
Gear drives
Bridge- and pier-supported drive systems from AMWELL, A Division of McNish Corp., consist of corrosion-resistant cast iron housings providing...
Editorial
Tanks, Structures and Components
Cross-linked polyethylene tanks resolve safety issue
Problem
Sodium hypochlorite began weeping from three 7,000-gallon high-density linear-polyethylene tanks at the Neenah (Wis.) Wastewater ...
Editorial
From Old to New
When the Willmar (Minn.) Wastewater TreatmentPlant needed more capacity, better odor control and the ability to meet stricter effluent limits, the city...
Editorial
Overflow Control
While stormwater can overwhelm treatmentsystems, a project to reduce CSOs didn’t interfere with operations at the Montague (Mass.) Water Pollution Control Facility....
Videos
"Overflow Control" - Montague, MA - April 2012 TPO Video Profile
A Massachusetts plant acts voluntarily to improve handling of CSOs while making other major changes to enhance treatment performanceLinks mentioned in the...
Editorial
Making the Grade
When the requirement for secondary treatment went into effect in 1992,
primary treatment plants in Anacortes, Wash., could not meet the permit limits.
Just...
Editorial
A Smooth Transition
When the 3.85 mgd Coatesville (Pa.) Regional Wastewater Treatment Plant needed to increase capacity and meet more stringent permit limits, owner Pennsylvania...
