L17_Clarification_Wastewater

L17_Clarification_Wastewater - Clarification (Settling) A...

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Clarification (Settling) A EVEG 3110 Lecture Malone: 3/13/03
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10 -4 10 - 3 10 -2 10 -1 1 10 100 Dissolved Colloidal Suspended Clarification Solids Particle sizes Filtration Coagulation Flocculation
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Wastewater Treatment Pretreatment- Sand and Grit removal TSS & Particulate BOD removal (Primary Clarifications) Removal of generated bioflocs/biofilms as a (Secondary Clarifiers) Activated sludge-bioflocs Trickling filters-biofilms Clarification Objectives
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Typical Wastewater Treatment Grit chamber Primary Clarifier Primary Treatment Secondary Treatment Biological Treatment Secondary Clarifier Chlorination
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Terminology- Wastewater Primary clarifier : A sedimentation tank that is used to remove suspended solids as the the first Secondary Clarifier : A Sedimentation tank that is used behind a secondary biological treament process to remove bio-solids generated and released by the biological process
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L17_Clarification_Wastewater - Clarification (Settling) A...

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