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 ...
What is Refinery Oil Sludge, Why is it Toxic, and How is it Disposed Of? Vast amounts of refinery oil sludge are produced from the process of crude oil refining. Refinery oil sludge contains toxic ...