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 ...

POWERS — The future of the City of Powers sewage treatment system is as clear as the wastewater flowing into it. The city has been directed by the U.S. Department of Agriculture and Oregon Department ...

IOWA The City of Cedar Falls is planning to overhaul its wastewater treatment plant, converting it from a trickling filter system to a nutrient reduction system. The project is valued at between $49 ...

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, ...

This is a preview. Log in through your library . Abstract In this study, changes in eukaryotic community structure and water quality were investigated in an aerobic trickling filter (down-flow hanging ...

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 ...

The liquid in the first pond comes straight from the Biological Trickling Filter treatment plant. Paddles keep the water circulating and there is no smell. All pictures supplied. TRIALS to see whether ...