A Comprehensive Approach To Dissolved Oxygen Control

Combining blower and process controls to regulate dissolved oxygen levels can make a lot of sense in plants where conventional methods are failing to get the job done.

Materials Can Impact Product Design Life And Produce Safer Drinking Water

Buna-N has been a widely used choice for elastomeric seats used in multiple types of valves including butterfly, rubber seated ball, and resilient seated check and gate valves in North America.

Solving Pump Clogs Without Spawning A Million New Problems

With all the potential debris running through wastewater collection systems — including higher concentrations of “flushable” wipes than ever — the debate over chopping them to bits, or not, has become a fundamental question for wastewater utilities. Now, new perspectives and new mechanisms are giving wastewater treatment plant (WWTP) operators new opportunities for cutting the wipes problem down to size.

How Flow Technology Can Ease The Inflow And Infiltration Headache

This article will explain why rain-dependent inflow and infiltration (RDI&I) measurement often fails and how to produce the level of data quality that can detect, understand, and manage it.

EZ VALVE Keeps Multi-Million-Pound Sellafield Project On Track

The AVT EZ Valve provided an efficient solution at the Sellafield Nuclear Site in Europe, saving valuable time and keeping a multi-million-pound project moving on schedule.

Air Bearing Advantages In High-Speed Turbo Blowers

When it comes to the challenge of running high-speed turbo blowers at 40,000 rpm in the unforgiving environment of a wastewater treatment plant (WWTP), robust design goes a long way toward accommodating extreme physical demands with minimal maintenance and overhead costs.

5 Tips On Avoiding Murphy's Law With Big Pipe Repairs

Here is one example of how challenging a 36”-line repair can become, plus five guidelines to help decision-makers minimize the risks of the same happening to them.

Rushville Installs AquaStorm® Cloth Media Filters To Treat Combined Sewer Overflow Discharge Instead Of Conventional Wet Weather Storage Tank

Discover why, rather than installing a costly stormwater storage tank, the City of Rushville partnered with Aqua-Aerobic Systems to pilot the AquaStorm Cloth Media Filter.

Aeration System Helps WWTP In Mexico Meet Regulations The Municipality of Emiliano Zapata in the state of Morelos, Mexico, located 60 miles south of Mexico City, is on an area of great hydrological affluence.

Proper Care And Calibration Of pH Sensors

Here are some guidelines for everyday care, regular maintenance, and periodic calibration or replacement to assure optimum performance of pH instrumentation.

Nitrogen-Reduction Treatment Systems For Long-Term Operations

The need for of nitrogen-reducing wastewater treatment systems has become more common in the past few decades due to various environmental concerns, including eutrophication, oxygen depletion, and toxicity to aquatic organisms in lakes and streams. The addition of nitrogen removal to any wastewater treatment plant, new or existing, typically increases the costs of the project significantly. When evaluating suitable technologies, it becomes critical to properly identify processes that can not only proved the best upfront capital value but also provide the most sustainable long-term functionality.

Automatic Scraper Strainers Protect Critical Membrane Systems

Automated scraper strainers pre-filter water and wastewater to protect fragile membrane systems from damage caused by large, suspended particles, reducing maintenance and replacement costs.

Pikeville, Kentucky Medical Center Leak Found Despite Ambient Noise

Leaks found in 60 psi high density PE pipe by FELL in less than three hours. Acoustic and CCTV failed to find any leaks after more than a year of investigation. Read the full case study to learn more. 

Sewage Lift Station Pumping System

Lack of sufficient straight pipe run made it impossible to successfully apply the preferred magnetic flow meter (magmeter) to accurately measure the flow of raw sewage.

Pile Cloth Media Filtration Removes 97% Of Microplastics From Wastewater

Learn about filtering microplastics from industrial wastewater prior to discharge, and how this is one way to effectively reduce the volume of this waste material from entering our surface water.

Application Bulletin: Reverse Osmosis

Osmosis is the phenomenon of lower dissolved solids in water passing through a semi-permeable membrane into higher dissolved solids water until a near equilibrium is reached

MEGA-STOP Bell Protection System Aids In Pipe Joint Assembly

Water and wastewater piping come in a variety of materials, joints, and diameters. They can meet a multitude of demands and needs for the country's infrastructure.

Performance Test Services For UV Advanced Oxidation Systems

UV AOP performance verification requires a robust test matrix covering design, operating, and control conditions. This process includes on-site execution, sample analysis, and troubleshooting to achieve successful regulatory approval.

A Comparative Study Of On-Line And Laboratory TOC Analyzers For Analysis Of Municipal Wastewater

This application note presents comparative data obtained on influent and effluent wastewater samples using laboratory and on-line TOC analyzers employing the heated sodium persulfate oxidation technique in USEPA-approved methods 415.3 and SM 5310C.

Pile Cloth Media Filtration Effectively Removes COD And TSS From Oil Refinery Wastewater

This application profile focuses on two test sites with different treatment requirements and describes how Aqua-Aerobic Systems’ OptiFiber® pile cloth media filtration was used at both sites to address the removal of harmful constituents from refinery wastewater.