Team:Bielefeld-Germany/Sewage treatment plant
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Sewage Treatment
Introduction
Sewage is generated every day by everyone. Therefore efficient sewage treatment is absolutely necessary to guarantee the quality of surface water, ground water and of course of drinking water. However sewage is often heterogeneous and consists of liquids from toilets, kitchen, sinks as well as liquids from industrial processes and commercial use. Sewage treatment plants have to consist of various treatment stages. The general composition of a large-scale treatment plant is shown in the flow diagram in picture 1.
Functional principle
Schematic
Primary treatment: mechanical stage
Secondary treatment: first biological stage
Secondary treatment: second biological stage
Tertiary treament: fourth purification stage
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Expert evaluation
Sewage treatment plant: [http://www.schlossholtestukenbrock.de/060/sr_seiten/artikel/112120100000015850.php Schloß Holte-Stukenbrock]
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