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Waste water treatment (processes (Chemical Process (disinfection and…
Waste water treatment
processes
Chemical Process
disinfection and coagulation
Physical Process
solid separation by settling and filtration
Biological Process
aerated lagoons and slow sand filter
types of sewer system
Open collection system
Closed collection system
Definition
Liquid waste treatment is defined as the process of removing contaminants from
waswater and household sewage
Effluents and domestic
steps on the closed collection system
sewage treatment
Secondary treatment
Substancially degrade biological content of the sewage
attached grow system
Trickling filter
suspended grow system
Bottom aerated
Surface aerated
Tertiary treatment
Provide a final treatment to further improve the effluent quality before it discharge to recivign environment
Filtration
Lagooning
Nutrition removal
Disinfection
Ultra violet
Ozone
Chlorination
Sludge Treatment and disposal
Composting
Anaerobic digestion
Incineration
Primary treatment
Remove materials that can be easily removed from raw sewage
Screening