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 ...
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 ...
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 ...
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