Oxygen Transfer Phenomena in Activated Sludge

Jochen Henkel & Fachbereich Bauingenieurwesen Und Geodäsie Technische Universität Darmstadt
This dissertation investigates the impact of activated sludge on oxygen transfer in activated sludge plants. The effect of surfactants on oxygen transfer is also studied and a method to determine the floc volume of activated sludge is developed. The α-factor, i.e. the relationship of wastewater to clean water oxygen transfer coefficient, is chosen to enable comparison of oxygen transfer coefficients. The main results are summarized as follows: • The floc volume significantly influences oxygen transfer...
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