It was a little like trying to put on a new shirt while removing the old one, without baring any skin in...
Editorial
Upgrade on the Fly
Charter Machine Company Articles
Editorial
How Does This Operator Sum Up His Clean-Water Career?
Wastewater treatment is Rey Davila’s passion.
Recently retired, he loved his job as chief of solids operations at the South Mesquite Creek Regional...
Editorial
Welder. Operator. Designer. Consultant. Tim Wilkey Took a Winding Career Path Before Returning Home.
Tim Wilkey started his work life as a welder. Now toward the end of it, he’s superintendent of the Wastewater Division in...
Belt Filter/Rotary Presses - Charter Machine Company Tower Press
The Tower Press from Charter Machine Company is steered via a center pivot actuator, allowing the belts to be steered from the...
Belt Filter/Rotary Presses - Charter Machine belt filter press
The belt filter press from Charter Machine fixes the steering roller on an independent beam that is then set on a center...
Editorial
This Plant is Conquering CSOs With a Wet-Weather Clarifier
Heavy rains flowing through the Ohio city of Springfield’s combined sewer system overwhelmed the wastewater treatment plant. The city averaged 50 to...
Editorial
Amarillo Clean-Water Plants Emphasize Hands-On Learning
No one can say that high-tech instruments are responsible for the award-winning performance of the two clean-water plants in Amarillo, Texas.The 50 team...
Editorial
Small-Town Treatment Plant Uses Biosolids To Create A High-Demand Product
Nearly 20 years ago the tiny town of La Conner faced a biosolids dilemma. Located in Washington’s Skagit Valley, about 70 miles...
Editorial
Headworks and Biosolids Management
Scrapers clean solids from intake systemProblem
Backwash strainers at a wastewater treatment plant in Toronto, were consistently clogging with oversized solids that made...
Editorial
Biosolids Management And Headworks
Belt Filter/Rotary PressesBelt Filter PressThe 1.7-meter trailer-mounted belt filter press from Bright Technologies includes a control room with insulated FRP walls, air...
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
All Hands on Deck
If you’re faced with running a sophisticated treatment plant, it helps if you have your operators involved in the design. That was...
Editorial
Headworks/Biosolids
Sludge scraping
The ZICKERT Shark sludge scraping system from WesTech Engineering has concave forward faces to transport sediment toward a sludge pit. During...
Editorial
Headworks and Biosolids
Removes small inorganics
The JDV Grit Classifier from JDV Equipment is a low-maintenance system with high-efficiency features to handle flows up to...
