Screening is one of the most important steps in the operation of a wastewater treatment facility. A well screened facility is safer,...
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Displaying results 134-152 of 5243
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News Briefs: Research Finds PFAS Decline in Great Lakes Fish
Entry 256349New research published in the Journal of Great Lakes Research indicates a significant decline in PFAS within Great Lakes fish, potentially...
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A Simple Way to Lower Your Plant’s Energy Costs
Maximize your flow, not your energy bill. With isentropic efficiency far exceeding lobe and multistage designs, screw blowers deliver more air for...
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C2 CHEM-FEED Precision Diaphragm Metering Pump
Deliver precise chemical feed quietly and efficiently, even under high system pressures. Featuring an easy-to-read LCD interface, flexible input options, and durable...
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Exam Study Guide: Mean Cell Residence Time and Water Separation Processes
Welcome back to TPO magazine's Exam Study Guide Series, which offers a pair of water/wastewater study questions with in-depth explanations of the answers.
Last time, we covered...
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Treatment Plant Operator Exam Study Guide Answers
What is the Mean Cell Residence Time (MCRT) of the following activated sludge process, given the following data:
Aeration tank volume 2.5 mgdInfluent...
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Discover a New Approach to Installing Blower Systems
Optimize your airflow and slash energy waste with a turnkey, weatherproof blower enclosure offering ultra-reliable performance with zero onsite assembly required.
Learn more...
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Ultrasonic vs. Coriolis Meters: Which Makes Sense for My Application?
Flowmeters are necessary for a variety of drinking and wastewater treatment applications. They may measure the metered chemicals, regulate pump input and...
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Dual Mode 3DP Belt Press Reduces Capital Cost for North Carolina WWTP
To save capital cost and footprint, dewatering equipment can be set up to operate in separate modes, as either thickening equipment or...
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A Tale of Two Clarifiers for Midwest Infrastructure Coatings
Midwest Infrastructure Coatings (MIC) has been busy working across Missouri, using OBIC products to restore and protect wastewater clarifiers. In the towns...
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How to Stay Professional During a Bad Day on the Job
Every tradesperson knows this kind of day.
The schedule is already packed. The first job runs long. A part is missing. Your phone...
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A WWTP Cuts Blower Room Energy Use by 47%
Struggling with aging, oversized blowers and inefficient oxygen control, the Ipswich plant upgraded to a smarter system to slash energy costs and...
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BDP Screw Press Improves Plant Efficiency
The BDP Screw Press provides a significant improvement in dewatering performance and operational efficiency at the Hooksett Wastewater Treatment Facility in Hooksett, New Hampshire. The plant...
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All Rotary Lobe Pumps Are Not Created Equal
From the outside, all rotary lobe pumps may look the same. They operate in the same basic manner with lobes that create...
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New Index Shows Small Utilities Are More Vulnerable to Climate Hazards
A new analysis from Carnegie Mellon University reveals a significant disconnect between the physical risks facing U.S. water infrastructure and the financial...
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News Briefs: Massive Sewage Spill Pollutes Potomac
Entry 256358A major infrastructure failure recently resulted in a massive discharge of wastewater into the Potomac River northwest of Washington, D.C. A...
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EPA Announces Next Step in Fluoride Review
The U.S. Environmental Protection Agency has announced the next step in the agency’s accelerated review of public health risks from fluoride in...
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Water Fleas Offer Low-Carbon Treatment Alternative, Say Researchers
Researchers at the University of Birmingham have demonstrated that a tertiary wastewater treatment technology based on Daphnia — tiny freshwater organisms commonly...
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The High Cost of Ignoring Hazardous Energy
OSHA estimates that nearly 3 million workers in various fields are exposed to the dangers of hazardous energy on a regular basis....


















