Question
Download Solution PDFIn practice, flow velocity adopted for the design of a grit chamber is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Grit chambers are a basin to remove the inorganic particles to prevent damage to the pumps, and to prevent their accumulation in sludge digesters.
Grit chambers are nothing but like sedimentation tanks, designed to separate the intended heavier inorganic materials (specific gravity about 2.65) and to pass forward the lighter organic materials.
Design parameters of Grit chambers are:
1. Flow velocity = 0.15 to 0.3 m/s
2. Depth = 0.9 to 1.2 m
3. Detention time = 60 seconds
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