The wastewater distributed on the media first passes through a final clarifier, but still
contains about 65% of it s organic matter. True/fasle
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False ( primary clarifier)
,By weight, domestic wastewater is about 99.9% water and 1% solids.
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False ( answer 0.1%)
Anaerobic supernatant liquor is the ________________ that separates from the sludge.
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Grey liquid
Maintenance of a clarifier includes ______________ inspection of the skimmer arm
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Daily
Hypochlroinators pump solutions of calcium or ________________ hypochlorite into the
effluent.
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Sodium
,Three layers found in anaerobic digesters are supernatant liquor, scum, and
__________________.
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Gas
Some industries that may contribute a shock load to the treatment plant are refineries,
paper mills, and ______________________.
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Metal platers
Hydrogen sulfide has a ___________________ odor, is a combustible in air, and is very toxic
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Rotten egg
Land filled sludge must have a solids content of at least _______________.
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20%
, Diffused _____________________ causes lightweight grease particles to rise ti the surface
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Air
________________ results in the rapid die-off of treatment organisms
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Acute toxicity (think of A Cut)
If a pump loses prime, it will heat up and damage the _________________
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Seal
While the TCEQ does not has specific pretreatment Standards, _____________________
provides specific pretreatment standards.
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EPA (Environmental Protection Agency)
contains about 65% of it s organic matter. True/fasle
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False ( primary clarifier)
,By weight, domestic wastewater is about 99.9% water and 1% solids.
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False ( answer 0.1%)
Anaerobic supernatant liquor is the ________________ that separates from the sludge.
Give this one a try later!
Grey liquid
Maintenance of a clarifier includes ______________ inspection of the skimmer arm
Give this one a try later!
Daily
Hypochlroinators pump solutions of calcium or ________________ hypochlorite into the
effluent.
Give this one a try later!
Sodium
,Three layers found in anaerobic digesters are supernatant liquor, scum, and
__________________.
Give this one a try later!
Gas
Some industries that may contribute a shock load to the treatment plant are refineries,
paper mills, and ______________________.
Give this one a try later!
Metal platers
Hydrogen sulfide has a ___________________ odor, is a combustible in air, and is very toxic
Give this one a try later!
Rotten egg
Land filled sludge must have a solids content of at least _______________.
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20%
, Diffused _____________________ causes lightweight grease particles to rise ti the surface
Give this one a try later!
Air
________________ results in the rapid die-off of treatment organisms
Give this one a try later!
Acute toxicity (think of A Cut)
If a pump loses prime, it will heat up and damage the _________________
Give this one a try later!
Seal
While the TCEQ does not has specific pretreatment Standards, _____________________
provides specific pretreatment standards.
Give this one a try later!
EPA (Environmental Protection Agency)
