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Microbiology of Waste Water

Microbiology of Waste Water
The biogas production process takes place at the temperature

all of these
45-60°C
25-40°C
lesser than 25°C

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Microbiology of Waste Water
Iron bacteria can produce

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

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Microbiology of Waste Water
Activated sludge contains large number of

bacteria
all of these
yeasts and molds
protozoa

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

the membrane filter technique
a biodisc
coagulation
a biofilm

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Microbiology of Waste Water
Treatment of municipal water supplies is based upon

chlorination, filtration, coagulation
filtration, coagulation, chlorination
coagulation, chlorination, filtration
coagulation, filtration, chlorination

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Microbiology of Waste Water
Advanced treatment is generally used to treat waste water to

reduce BOD
remove settleable solids
remove coarse solids
remove additional objectionable substances

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