Keeping the Water Where You Want It in Tunnel Construction

By Pablo Garcia, Sulzer As well as rock and soil, major tunneling projects involve the movement of large volumes of another important element: water. The...

Safe, sustainable, and smart

Around 359 billion cubic meters of wastewater is produced globally each year. As well as municipal wastewater, a broad range of industrial processes produce...

Why developing a holistic roadmap for your water treatment matters

An act that provided incentives, penalties, as well as funding for communities to clean their water, the Clean Water Act (CWA) was passed in...

Graf Creamery optimizes wastewater operations

Graf Creamery, a Midwestern butter and cream production plant, was experiencing issues with the fat and grease build-up in their holding cell retention pond....

A Holistic Approach to Process Control

Secondary wastewater treatment, specifically activated sludge treatment, can be broken down into a series of unit processes, each of which are linked to the...

Dissolved Oxygen Sensor Monitors Boiler Feed Water, Lowers Maintenance Costs

Boiler feed water is thermally and chemically degassed to achieve oxygen-free water, a state which must be maintained throughout the steam cycle. The Electro-Chemical...

Eco-friendly Cost Reduction Through Anaerobic Sludge Stabilization

By Ann Börries, Weltec Biopower Following a public tender procedure, Weltec Biopower was awarded the contract for an anaerobic stage for the municipal sewage treatment...

Uniform Distribution in Headers and Distribution Systems

PART 2/2 In part one of this article, we examined two common systems, one using compressible gasses, and the other using non-compressible liquids, that provide...

How to Control Activated Sludge with Online Sensors: Part 2...

In part 1 of this series, we introduced a broad view of the use of online instrumentation for control of wastewater treatment aeration, which,...

Limiting SSOs With Superior Sewer Maintenance Tools and Techniques

Most municipalities are fully aware that preventing sewer overflows is a national enforcement priority for EPA, yet many struggle to stay compliant. Too often,...