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Textile effulent treatment, Waste water treatment
Septic Tanks 1 Dorothee Spuhler, seecon gmbh. Septic Tanks Find this presentation and more on: Copy it, adapt it, use it –
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Activated Sludge Process
ACTIVATED SLUDGE. About 100 years ago, engineers noticed that re-suspension and re-aeration of the settled sludge from secondary clarifiers in a fresh.
