Understanding Wastewater Treatment Process Through Images
Screening devices and grit chambers play crucial roles in sewage treatment plants to remove coarse solids and suspended solids like sand and metal fragments. The aerated grit chamber helps separate organic and inorganic solids efficiently, ensuring the effectiveness of biological treatment and mechanical equipment.
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Presentation Transcript
Screening device are used to remove coarse solids from wastewater. Coarse solids consist of sticks, rags, boards and other large objects that often find their way into sewer system.
Grit chamber Suspended solids such as sand, metal fragment, .etc. should be removed because of their bad effect on biological treatment and mechanical equipment.
Aerated grit chamber It controls the separation of organic and inorganic solids by producing a spiral flow. The velocity of the bulk solution is kept above the settling velocity of the organic particles but below that of the inorganics.
