Conventional design practice normally would mandate costly tertiary filtration to meet advanced wastewater treatment effluent criteria and either chemical treatment or tertiary filtration for advanced ...

Fluorescent in situ hybridization (FISH) was used to quantify the ammonia-oxidizing populations within intact biofilm samples collected from a full-scale nitrifying trickling filter (NTF). Ammonia, ...

Scientists at UC Riverside have pushed the current limit of a technique for biologically removing hydrogen sulfide from sewage emissions a step further. Marc Deshusses, associate professor in the ...

The Brooklyn City Council heaved a collective sigh of relief after hearing a report from a meeting with the Iowa Department of Natural Resources at the city council meeting on Monday, Sept. 21.

FORT SMITH -- The potential negative impact of a failing filter at the city's Massard Water Reclamation Facility in Barling has caused concern and an urge to construct a new apparatus. A trickling ...

FORT SMITH -- City officials are weighing how -- and if -- to replace two failing water filters responsible for treating sewage for about a third of Fort Smith. The Massard Water Reclamation Facility ...

A view of the Urbana & Champaign Sanitary District's trickling filter system in its infancy in the 1920s at its plant in northeast Urbana. A plaque on the wall of the Urbana & Champaign Sanitary ...