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Showing 1 to 4 of 4 for “"Sludge bulking"”.

  1. The effect of anoxic selectors on the control of activated sludge bulking and foaming

    Laboratory scale activated sludge experiments were conducted on primary effluent municipal wastewater to evaluate the effects of anoxic selectors on controlling activated sludge bulking and foaming. These experiments were conducted with two pilot plants; a three stage anoxic selector preceding a …

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  2. An investigation of the effects of the addition of powdered activated carbon to the activated sludge of cellulose acetate manufacturing wastewater

    … of 20, 160, and 280 mg/L in activated sludge reactors treating cellulose acetate manufacturing wastewater were found to enhance substrate removal. The improved substrate removal as measured by COD averaged 20 percent. The apparent mechanism of improved removal was the stimulation of …

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  3. Molecular characterization of filamentous bacteria isolated from full-scale activated sludge processes

    Submitted in fulfilment of the requirements for the Degree of Master of Technology: Biotechnology, Durban University of Technology, Durban, South Africa, 2007.

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  4. Factors affecting the growth of Nostocoida limicola II and other filamentous microorganisms in activated sludge systems

    … of various filamentous microorganisms in the bulking activated sludge at the Hoechst Celanese wastewater treatment plant. First, futile attempts were made to isolate the filamentous bacterium, <i>Nostocoida limicola II</i>, from activated sludge for purposes of its characterization. Chemostat …

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