Nitrogen
Phosphorus
Activated Sludge
activated sludge
Digestion
100
4.6 pounds of_______required per pound of ammoniaN oxidized
What is oxygen
100
Selector zone that forces the release of phosphorus from the activated sludge organisms
What is anaerobic
100
BOD pounds/MLVSS pounds
What is F/M ratio
100
inability of mixed liquor to settle in the final clarifier
What is sludge bulking
100
20 days
What is digester detention time
200
the reaction that starts with nitrate and ends with nitrogen gas
What is denitrification
200
chemical used to remove P by raising pH
What is lime
200
pounds MLSS in aeration/pounds in primary effluent per day
What is sludge age
200
used to monitor cleanliness of air filter
What is manometer or d/p cell
200
designed to prevent flame from traveling back into digester headspace
What is flame arrester or thermal shutoff valve
300
7.2 pounds of _______ destroyed per pound of ammoniaN oxidized
What is alkalinity
300
proprietary sidestream process to remove P
What is phostrip
300
(percent settleable solids x 10,000)/MLVSS
What is SVI
300
stain used to classify bacteria
What is gram stain
300
Backup device used to destroy methane in case the engine is out of service
What is waste gas flare
400
the addition of chlorine to remove nitrogen
What is breakpoint chlorination
400
5 stage activated sludge process for the removal of both nitrogen and phosphorus
What is Bardenpho
400
used to control MLSS concentration in aeration tank
What is wasting rate
400
corrosive toxic gas generated under anaerobic conditions
What is hydrogen sulfide
400
ratio used as an early indication that the digester is going SOUR
What is volatile acid/alkalinity
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