Digestate also typically contains between 2,000 ppm and 3,000 ppm of ammonia. Pre-treating the product with acid to reduce the pH can neutralise the ammonia, preventing it from evaporating and ...

Cake strips are genius in their simplicity. They’re long pieces of sturdy cotton fabric—sometimes they'll be shiny with a metallic fabric—and they're multiple layers thick.

If the gallbladder doesn't empty completely, the remaining particles, like cholesterol or calcium salts, can start to thicken and become biliary sludge. Learn more.

Sewage sludge dewaterability is a critical factor in wastewater treatment efficiency and cost‐reduction, as it directly impacts the volume of sludge requiring transportation, disposal, or ...