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Microbiology of Waste Water

Microbiology of Waste Water
A dense bacterial population caught in a tangled web of fibers sticking to a surface describes

a biodisc
the membrane filter technique
coagulation
a biofilm

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Microbiology of Waste Water
Which of the following is not employed as an oxidation method?

All of these
Oxidation ponds
Trickling filters
Contact aerators

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Microbiology of Waste Water
The acetate-utilizing methanogens are responsible for

20% of methane produced in a biogas reactor
70% of methane produced in a biogas reactor
50% of methane produced in a biogas reactor
85% of methane produced in a biogas reactor

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Microbiology of Waste Water
The concept of putting microbes to help clean up the environment is called

bioremediation
pasteurization
biolistics
fermentation

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Microbiology of Waste Water
Oxidation ponds are shallow ponds, generally designed at the depth of

2 to 40 feet
4 to 6 feet
1 to 3 feet
5 to 8 feet

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Microbiology of Waste Water
Iron bacteria can produce

slime
undesirable odors and tastes
extreme acidity
both (a) and (b)

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