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10 Cards in this Set
- Front
- Back
What are the three types of Trickling Filters
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Standard Rate
High Rate Roughing FIlter |
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Standard Rate Tricking Filter
Hydrulic Loading - Organing Loading - Typical Media - Depth - |
Hydrulic Loading - 25 to 100 gal/day/ft2
Organing Loading - 5 to 25 lbs BOD/day/1000ft3 Typical Media - Rock Depth - 6 to 8 feet |
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High Rate Trickling Filter
Hydrulic Loading - Organing Loading - Typical Media - Depth - |
Hydrulic Loading - 100 to 1000 gal/day/ft2 ROCK
350 to 2100 gal/day/ft2 SYNTHETIC Organing Loading - 25 to 100 lbs BOD/day/1000 ft3 ROCK 50 to 300 lbs/day/1000ft3 SYNTHETIC Depth - |
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Roughing Filter
Hydrulic Loading - Organing Loading - Typical Media - Depth - |
Hydrulic Loading -
Organing Loading - 100 to 300 lbs BOD/day/1000ft3 Typical Media - Depth - |
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Trickling Filter growth typicall sloughs off in...
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Spring and Fall
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Best time to start a Tricking Filter
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Late April through Early June
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Trickling Filter Daily Operations/Observations
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Ponding
Filter Flies Odors Plugged Orifices Distributor Arms |
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Tricking Filter Recirculation Rate -
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Use the lowest recirculation rate that will produce good results.
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Trickling Filter DO's
Rock - ___ Synthetic - ___ |
Rock 3 to 6 mg/L
Synthetic 4 to 8 mg/L |
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Trickling Filter Flies - Corrective Actions
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- Increase Recirculation Rate - 200 GPD/ft2
- Keep Orifice Openings Clear - Insecticides - Flood Filter 24 hours - Dose with 1mg/L chlorine |