Energy-Efficient Aeration for the New Century: Part 2 of 2

Aeration accounts for a 50 to 70 percent of a treatment plant’s power consumption, and in part 1 of this series, we examined the...

Effortless water removal in demanding industrial applications

KNOW OUR BUSINESS: ATLAS COPCO POWER TECHNIQUE Power Technique is a business area within Atlas Copco Group. We transform the future together with our customers...

How to Control Activated Sludge with Online Sensors: Part 3 of...

Figure 3: On-Off Control Dissolved Oxygen Response (source: Meck, D., R. Odum, N. Wobbrock, Cornell University) In the final piece of this series, we detail...

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...

Tier 3 Nozzles Optimize Sewer Crew Efficiency and Profitability

By Del Williams In sewer, storm, and sanitary line cleaning, hose nozzles are an essential tool that directs pressurized water to clear out obstructions such...

Flood Defense Pumps Need High-quality Bearings

By Emma Gerard, Thordon Bearings Inc. Pumps for flood defense must handle high-capacity volumes and also be reliable in extreme conditions. Bedford Pumps Ltd., one...

Ultrasonic vs. Differential Pressure Flowmeters for High Pressure Steam Service: Part...

Renewable energy poses well-publicized opportunities in the quest to reduce fossil fuel consumption and global warming. However rarely mentioned are the new challenges associated...

Desalination is booming, but faces a saltwater reality check

As population grows and economies expand, they are putting an immense strain on the world’s water supplies. According to the UN World Water Development...

Odor and Corrosion Control in Wastewater Collection Systems: Part 2 of...

In part 1 of this series, we discussed the corrosion issues associated with hydrogen sulfide in wastewater collection systems. The main classes of reactions...

Peach Lake Finds a Solution for a Dying Septic System

It only took a few generations and several hundred dying septic systems to age an idyllic vacation spot like Peach Lake. Peach Lake is a...