G
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The following following characteristics and assumptions are provided for an aerated grit chamber:
a) Peak hourly flow;
B) Volume of grit chamber;
c) Size of rectangular chamber;
d) Necessary air supply; and
e) Average volume of grit generated.
Answers to follow ....
JR
- Detention time of peak flow rate = 4.0 min
- Designed hourly average flow for WWTP = 10 MGD
- Assume two (2) chambers will be used
- Assume depth-to-width ratio = 1.5:1.0
- Assume 5 std ft3/min for air supply
- Assume that 7 ft3 of grit is produced for every 1 MGD of flow
a) Peak hourly flow;
B) Volume of grit chamber;
c) Size of rectangular chamber;
d) Necessary air supply; and
e) Average volume of grit generated.
Answers to follow ....
JR