How do you prevent foaming from recurring in a anaerobic digester?
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Maintaining a constant temperature
Chain driven scrapers called flights are commonly used as what?
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mechanical grit collectors
Algae is not essential to the successful operation of both aerobic and facultative
ponds
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False = Algae supply most of the oxygen to the supernattant
Where is the primary sludge typically pumped to?
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sludge digester
How should you operate an anaerobic digester?
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the rate of acid formation and methane formation are approximately equal
A mechanical seal is used to prevent leaks between where?
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between the pump casing and shaft
What is usually the last indicator to change in an anaerobic digester that is becoming
sour?
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, pH
Sulfur dioxide is used to dechlorinate the effluent prior to discharge to protect what?
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aquatic organisms in the recieving waters
Typical mixed liquor suspended solids concentration is?
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1,000 to 4,500 mg/l
Hydrogen sulfide will deteriorate what kind of structures?
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concrete structures
Which of the following is true about algae in a pond?
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Maintaining a constant temperature
Chain driven scrapers called flights are commonly used as what?
Give this one a try later!
mechanical grit collectors
Algae is not essential to the successful operation of both aerobic and facultative
ponds
,Give this one a try later!
False = Algae supply most of the oxygen to the supernattant
Where is the primary sludge typically pumped to?
Give this one a try later!
sludge digester
How should you operate an anaerobic digester?
Give this one a try later!
the rate of acid formation and methane formation are approximately equal
A mechanical seal is used to prevent leaks between where?
Give this one a try later!
between the pump casing and shaft
What is usually the last indicator to change in an anaerobic digester that is becoming
sour?
Give this one a try later!
, pH
Sulfur dioxide is used to dechlorinate the effluent prior to discharge to protect what?
Give this one a try later!
aquatic organisms in the recieving waters
Typical mixed liquor suspended solids concentration is?
Give this one a try later!
1,000 to 4,500 mg/l
Hydrogen sulfide will deteriorate what kind of structures?
Give this one a try later!
concrete structures
Which of the following is true about algae in a pond?
Give this one a try later!
