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Microbiology of Waste Water

Microbiology of Waste Water
Activated sludge contains large number of

all of these
yeasts and molds
protozoa
bacteria

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

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

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Microbiology of Waste Water
Water testing relies on the detection of certain indicator organisms known as

dinoflagellates
acid-fast bacteria
coliforms
bacteroids

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

fermentation
bioremediation
biolistics
pasteurization

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Microbiology of Waste Water
Which is not a form of biomass energy?

Incineration of solid waste
Photovoltaic production of hydrogen
Ethanol and methanol production for auto fuel
Composting to produce methane

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Microbiology of Waste Water
Iron bacteria can produce

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

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