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 ...

The effect of the oxygen transfer rate on trickling filter operating characteristics and performance cannot be determined precisely. It is not possible to obtain more than a rough estimate of 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 ...