The EchoWater project upgrade was completed in 2023 as part of a much larger wastewater treatment expansion ...

The story of biosolids (treated sewage sludge) starts with clean water in the toilet bowls of the residents of Philadelphia ...

What goes down your toilet can end up on farm fields across the United States. Biosolids, or sewage sludge, are the solid byproducts of the wastewater treatment process. Rich in nutrients, they can be ...

As global urban populations grow, the management of municipal sewage sludge has become both an environmental burden and an opportunity for renewable energy recovery. Hydrothermal processing refers to ...

A primary clarifier is an upstream process for reducing the concentrations of the total suspended solids (TSS) and biological ...

In wastewater treatment, monitoring organic loads, particularly Total Organic Carbon (TOC), has become critical to maintaining efficient and effective operations. This is especially true in industries ...

Produced from Milwaukee's biosolids, Milorganite is sold in retail home-and-garden centers nationwide as a turf grass fertilizer. Photo © Brett Walton/Circle of Blue ...