It is estimated that the value of manufacturing output accounts for around one quarter of the UK Gross Domestic Product, itself amounting to approximately £3Bn per annum. Presently one per cent of ...

This paper reports the results of a fixed-film, two-stage, reversible flow biological denitrification reactor system operated under flow reversal cycles and decreasing residence times for the removal ...

Hydrodynamic, topographic, and geologic factors control flow of groundwater toward an effluent stream. Features of such flow are illustrated by a hydraulic model that simulates the stream and ...

Water shortage compels companies to improve their sewage treatment performance, and, at the same time, reduce the amount of clean, treated water that is used during the treatment process. Both these ...

The Santa Cruz River hasn’t flowed through Tucson in 70 years — but some local officials would like to change that. They’re in the early stages of examining the feasibility of introducing a “trickle” ...