Endogenous Digestion
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When bugs no longer have a food supply, so they eat each other.
Short Circuit
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When water bypasses a process
Rotating Biological Contactor Speed
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1 to 1.5 RPM
Suspended Growth
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An aeration tank and clarifier for secondary treatment where bacteria floats
in the water.
Vector
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Rodents, flies, mosquitoes, or other organisms capable of transporting
infectious agents
Water Velocity: Preliminary Treatment at Bar Screen
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2-4 ft/s
F/M Ratio
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Food to Microorganism Ratio:
measured in BOD5/MLVSS per day
low ratio = long cell detention time,
high ratio = short cell detention time
Head Loss
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Decrease in water level downstream of a flow restriction.
Two (2) Types of Grit Chambers
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Aerated, Non-Aerated
Colloidal Particles
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Material that remains suspended in wastewater after clarification, with
negative electrical charge
, Fixed Film
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Water flows through our past media with protozoa attached
Ideal F/M Ratio (Food to Microbe Ratio)
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0.2 to 0.5 lb Food / lb Bugs
NPDES
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National Pollutant Discharge Elimination System
Contact Stabilization
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Re-aeration of return activated sludge for thirty minutes, causing the bugs
to eat particles on contact.
Give this one a try later!
When bugs no longer have a food supply, so they eat each other.
Short Circuit
Give this one a try later!
When water bypasses a process
Rotating Biological Contactor Speed
,Give this one a try later!
1 to 1.5 RPM
Suspended Growth
Give this one a try later!
An aeration tank and clarifier for secondary treatment where bacteria floats
in the water.
Vector
Give this one a try later!
Rodents, flies, mosquitoes, or other organisms capable of transporting
infectious agents
Water Velocity: Preliminary Treatment at Bar Screen
Give this one a try later!
2-4 ft/s
F/M Ratio
,Give this one a try later!
Food to Microorganism Ratio:
measured in BOD5/MLVSS per day
low ratio = long cell detention time,
high ratio = short cell detention time
Head Loss
Give this one a try later!
Decrease in water level downstream of a flow restriction.
Two (2) Types of Grit Chambers
Give this one a try later!
Aerated, Non-Aerated
Colloidal Particles
Give this one a try later!
Material that remains suspended in wastewater after clarification, with
negative electrical charge
, Fixed Film
Give this one a try later!
Water flows through our past media with protozoa attached
Ideal F/M Ratio (Food to Microbe Ratio)
Give this one a try later!
0.2 to 0.5 lb Food / lb Bugs
NPDES
Give this one a try later!
National Pollutant Discharge Elimination System
Contact Stabilization
Give this one a try later!
Re-aeration of return activated sludge for thirty minutes, causing the bugs
to eat particles on contact.
