Transcription of Wastewater Treatment Processes
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Wastewater Treatment Processes
September 27, 2016 Arun Kumar 12th-15th, 2016)by Dr. Arun Kumar Treatment ProcessesObjective: To learn about Processes used in wastewatertreatment plantCourtesy: Dr. Irene Xagoraraki, MSU, USAM inor 1 copies Minor 1 copies next week Monday afternoon in different slots Slot timings will be 27, 20162 Characteristics of Domestic WastewaterSeptember 27, 20164 Wastewater characteristics Compare Wastewater (WW)characteristics of Domestic WW Industrial WW (for ex: tannery industry; distillery industry)September 27, 20165 Wastewater sourcesWastewater Wastewater Treatment Systems Preliminary Treatment (removes materials that can cause operational problems, equalization basins are optional) Primary Treatment (remove ~60% of solids and ~35% of BOD) Secondary Treatment (remove ~85% of BOD and solids) Advanced Treatment (varies: 95+ % of BOD and solids, N, P) Final Treatment (disinfection) Solids Pr
Preliminary treatment Upon arrival via the sewer system, the wastewater is sent through a bar screen, which removes large solid objects such as sticks and rags.
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