NEW ORLEANS, March 26 — An innovative technique has been proposed for treating and purifying wastewater, which could spare budget-strapped municipalities some of the expense of handling the sludge ...

This is a preview. Log in through your library . Abstract Samples of activated sludge were collected from various wastewater treatment facilities in Wisconsin, and the microorganisms occurring in the ...

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The primary factor controlling the performance of an activated sludge process is separation of sludge solids from the effluent in the secondary sedimentation tank. Unfortunately, too many people in ...