Waste Water Treatment GCSE Chemistry

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• screening and grit removal to remove large particles

• sedimentation allows tiny particles to settle out from still water, which produces sewage sludge and effluent (the liquid which remains on top)

• the sewage sludge is digested anaerobically by specific bacteria

• the effluent is treated with aerobic bacteria to reduce the volume of solid waste

• Water Treatment Processes 8 638 (image/jpeg)

• Types Of Sedimentation Tank (image/jpeg)

• Bacteria Drawing 19 (image/png)