Activated sludge waste water processing is one of the most common technologies used in municipal waste water treatment facilities. Bioregenerative waste water treatment research at the NASA Johnson ...
The study investigated the unbiodegradable fraction of particulate chemical oxygen demand (PCOD) in thickened waste activated sludge (TWAS) using semicontinuous-flow completely-mixed anaerobic ...
Sewage sludge at the Wakarusa Wastewater Treatment Plant before it is thickened for land use is pictured on Friday, February 14, 2025. In these bubbling basins, you’ll find some of the hardest workers ...