In Times of Drought: Part 3 of 3

Before we conclude this series focused on nine economic facts about water in the United States, we should briefly review the first six facts...
RO

Design and Care of Reverse Osmosis Systems

In this concluding section of our three-part series on the upkeep of reverse osmosis (RO) systems, we’ll finish out with a detailed...

Ten Questions to Ask Before Installing a Remote Monitoring System at Your Water Pumping...

No matter the size of your operation, you need to keep pumping stations running around the clock to push water or wastewater...

Protective Chopper Pump Keeps Treatment Moving

At the Benton Utilities Wastewater Treatment Plant near Little Rock, Arkansas, a tough new Landia EradiGator Chopper Pump is ensuring that grease and scum...

Don’t Just Settle With Poor Water Pressure: Part 2 of 2

In last month’s article, we were introduced to Steve and Kacy Peel of Naples, Florida, who purchased a home with a huge challenge internally:...
Control Activated Sludge

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

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...

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...

A Holistic Approach to Process Control – Part 2 of 2

In part one of this two part series, we introduced the City of Lebanon (PA) Authority Wastewater Treatment Plant (WWTP) and described the objectives...