Month: October 2023

Concrete Corrosion is Every Collection System’s Problem

Concrete Corrosion. Mention corrosion and most people think rusting metal. True, but reinforced concrete also corrodes and deteriorates. How so? Reinforced concrete is the backbone of every wastewater collection system. Alkaline materials in the cement phase of concrete are extremely susceptible to corrosion. Hydrogen sulfide (H2S) is the root contributor to corrosion in sewer systems…. Read more »

Foam is Only Good on Beer and Latte

Do you know the chorus of this children’s song? “But the cat came back the very next day, The cat came back, we thought he was a goner But the cat came back; it just couldn’t stay away. Away, away, yea, yea, yea…” Like the kitty that kept coming back, thick foam on your aeration… Read more »

When to Take a Closer Look

Microscopic examination of mixed liquor can be a significant aid in the evaluation of the activated sludge process. The presence of various microorganisms within the sludge floc can rapidly indicate good or poor treatment. One of the operator’s primary jobs is to provide a favorable environment to support bug life. Knowing when and how to… Read more »