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Lesson Five


Class Five

Outline the activated sludge digestion process, anaerobic sludge digestion, trickle filter processors

Read information on the following web pages by clicking on the hyperlinks:

Read about the Trickle Filter System of B.O.D reduction

Activated Sludge

Wide World of Activated Sludge

Read about contaminats in stable sludge:

Contamination of Sludge

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A Trickle Filter Plant

Consider disposal of purified water and stabilised sludge

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